Penn Plax Fish

By Penn Plax

Without effort, the Cascade 700 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 185 Gallons per Hour, and is recommended for aquariums up to 65 gallons. It’s compatible for both freshwater and saltwater fish tanks, and is also great for turtle habitats! State of the Art Features: In addition to the push button primer that allows for a simple and quick prime, this Canister Filter also features two independent valve taps that rotate 360°. This makes for easy maneuvering, even in the tightest aquarium cabinets! The 2 stackable, large capacity media baskets give aquarists the ability to customize filtration, and include built-in handles for utmost convenience. Furthermore, the included spray bar helps aerate your aquarium by evenly distributing filtered water over the surface. Filter Media: This Canister Filter comes standard with 2 Poly Fiber Floss Pads, 1 Coarse Bio-Sponge, and 1 Bag of Activated Carbon. In addition to optimizing the colonization of anaerobic bacteria, this filter traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. Items Included: 2 Independent Valve Taps, Push Button Primer, Flow Rate Control Cut-Off Valves, Swimming-Pool Style Hose Clamps, 4 Easy Lift Alignment Clamps, Sturdy Tip-Proof Base, 2 Large Capacity Media Baskets, 2 Poly Fiber Floss Pads, 1 Coarse Bio-Sponge, and 1 Bag of Activated Carbon. Measurements and Other Useful Info: The Cascade 700 Canister Filter measures 11.5” (W) x 10” (D) x 15” (H). Additional Info = 110 Volts / 60 Hz / 25 W.

I had never owned a filter like this and I dont have any regrets buying this. It keeps my aquarium water so clean!!. Ashley. US. Fri Aug 16 2024

By Penn Plax

Deco-Replicas presents the Large 2-Piece Striped Sail Shipwreck Aquarium Decoration by PENN-PLAX.Add some ominous charm and wonder to your fish tank with the 2-Piece Striped Sail Shipwreck!This fully detailed aquarium decoration makes for a great and massive centerpiece!It’s perfect for anything nautical themed! This piece fits inside 29+ gallon tanks!Small and medium fish can swim through and around it, which greatly reduces stress and boredom.

Amazing detail and a lot bigger than I thought! It looks beautiful in my 60-gallon tank.. Patricia. Fri Nov 24 2023

By Penn Plax

This money-saving 3-Piece Aquarium Ornament Bundle features officially licensed SpongeBob SquarePants decorations. This bundle includes SpongeBob’s Pineapple House, Squidward’s Easter Island Home, and Krusty Krab. Get all 3 for 1 amazing price! Made of Safe and Durable Resin: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. Each decoration has a sturdy base. There’s no need to worry about it floating around once you place it underwater. Super Simple to Clean: Simply wipe down and rinse off the aquarium ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Bring the World of SpongeBob Home: Perfect for adults and children! This fun aquarium ornament bundle will instantly add magic to your tank! Most small and medium fish can fit inside, allowing them to swim in and around it.

I have these on n my backyard pond, my kids love it!. Anonymous. Mon Jun 29 2026

By Penn Plax

By Penn Plax

From the creative minds at Disney, bring some melodic joy and excitement from Arendelle into your fish tank with this Frozen 4-Piece Aquarium Decoration Bundle! These mini, officially licensed aquarium ornaments are perfect for desktop aquariums and small tanks! Note to Adults – These Items are Not Toys. Made of Safe and Durable Material: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Before placing into your tank, or as you as perform regular cleaning and maintenance, simply wipe down and rinse off the ornaments with warm water. Never use soap, as the residual soap particles can harm your fish. A Frozen Wonderland: These fun, double-sided aquarium decorations will instantly add excitement and imagination to your fish tank! They’re perfect for children, adults, or anyone who loves the Frozen movies by Disney! Note to Adults – These Items are Not Toys. Measurements: Elsa = 1.75” (W) x 2” (D) x 2.5” (H) / Anna = 2” (W) x 2” (D) x 2.5” (H) / Olaf = 1.4” (D) x 1.4” (W) x 2.25” (H) / Ice Castle = 1.75” (W) x 1” (D) x 2.4” (H).

By Penn Plax

As aquarists and fish-keeping hobbyists know, it’s always good to have extra airline tubing on hand. Our Deluxe 3/16” Airline Tubing offers a great solution for various aquarium airline needs, such as connecting an air pump to an air stone, an under-gravel filter, or an aquarium ornament. Flexible & Durable: Made from durable silicone, our Deluxe 3/16” Airline Tubing is built to withstand wear and tear. The tubing’s flexibility makes it a breeze to work with. This tubing will never crack, harden, or kink. The light green hue also virtually disappears when in water. Safe for Fish: Our Standard 3/16” Airline Tubing is made of fish-safe silicone, and can be used for both freshwater and saltwater tanks. Measurements: Length = 200’ / Inner Diameter = 4 mm / Outer Diameter = 6 mm.

By Penn Plax

The cascade 100 quietly delivers crystal clear water and pushes water at 100 gallons per hour (GPH) for tanks up to 20 gallons in size. It’s great for freshwater and saltwater aquariums. Accommodating: the adjustable flow knob allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed. The hang-on design is constructed for safe mounting. The lift tube is adjustable. Extremely beneficial - this cascade filter utilizes disposable, double-sided media cartridges that contain activated carbon and poly fiber floss. The included cartridge traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. Revolutionary - the cascade 100 power hang-on filter features a bio-sponge cartridge that optimizes the colonization of anaerobic bacteria and is independent of the first-stage filter media. In addition, our bio-falls system enhances water oxygenation and aids with removing ammonia and nitrate.

Have been looking for one that really works and it does not disappoint. Leslie. US. Sat Dec 31 2022

By Penn Plax

Aqua-Flora presents the Tree Stump by PENN-PLAX.This Aqua-Flora Living Resin is truly a sight to behold!Each resin is embedded with live Glosso plant seeds.There’s no need to place seeds into the decoration or your tank’s bottom surface!Simply submerge the resin into a freshwater tank, and watch it grow into an amazing aquascape!Our Aqua-Floras are safe and healthy for freshwater fish!

By Penn Plax

From the creative minds at Nickelodeon, bring the house of Squidward Q. Tentacles, located in Bikini Bottom, to your own home! This large sized, officially licensed aquarium ornament from Penn-Plax makes for a great addition to all home aquariums! Made of Safe and Durable Resin: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. Each decoration has a sturdy base. There’s no need to worry about it floating around once you place it underwater. Super Simple to Clean: Simply wipe down and rinse off the aquarium ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Home to Squidward Q. Tentacles: Perfect for adults and children! This fun aquarium decoration will instantly add magic to your tank! Most small and medium fish can fit inside, allowing them to swim in and around it. This helps reduce fish boredom! Measurements: Squidward’s house measures approximately 4” (W) x 4” (D) x 8” (H). It will fit easily in almost any fish tank sitting at home. It’s designed to be the perfect accent to any aquarium, regardless of size. Get creative!

By Penn Plax

The 150 quietly delivers crystal clear water, and pushes water at 150 Gallons per Hour (GPH) for tanks up to 35 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed. The hang-on design is constructed for safe mounting. The lift tube extends between 7” (min) and 10.5” (max). Extremely Beneficial: This filter utilizes disposable, double-sided media cartridges that contain Activated Carbon and Poly Fiber Floss. The included cartridge traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. Revolutionary: The 150 Power Hang-On Filter features a Bio-Sponge cartridge that optimizes colonization of anaerobic bacteria, and is independent from the first stage filter media. In addition, our Bio-Falls system enhances water oxygenation, and aids with removing ammonia and nitrate. Overall Measurements: 6.75” (H) x 7.25” (W) x 4.75” (D).

By Penn Plax

Add some whimsical charm and wonder to your fish tank with the Large Wizard’s Castle Aquarium Decoration detailed aquarium decoration. This fully colored aquatic ornament features a large gray castle perched upon a rocky hill, with a cone-shaped roof, towers, archways, and stone details that give a realistic feel from times of old. This piece makes for a great centerpiece or accent, and is perfect for anything magically themed. Most small fish can swim through and around it, which greatly reduces stress and boredom. Made of Safe and Durable Resin: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Before placing into your tank, or as you as perform regular cleaning and maintenance, simply wipe down and rinse off the ornament with warm water. Never use soap, as the residual soap particles can harm your fish. Measurements: Overall = 7.25” (W) x 5.5” (D) x 10” (H) / Bottom Archway Holes = 1” (W) x 1.5” (H)

Kelly. Webster, MA. Sat Jan 11 2025

By Penn Plax

From the creative minds at universal studios bring some chaos into your fish tank with this 3 piece aquarium ornament bundle these small officially licensed aquarium ornaments are perfect for desktop aquariums and are great for anyone who loves the jurassic park or jurassic world franchises this 3 piece bundle includes T rex escaping from paddock dilophosaurus and the iconic jurassic park gate made of safe and durable resin our aquarium ornaments are inspected with your fish s safety in mind the material used is safe for both freshwater and saltwater aquariums they also feature a sturdy base that keeps them grounded in your tank super simple to clean simply wipe down and rinse off the aquarium ornaments with warm water when you are cleaning out your tank never use soap as the residual soap particles can harm your fish welcome to jurassic park these fun double sided aquarium decorations will instantly add marvelous wonder and chaos to your tank perfect for adults and children measurements t rex 3 25 w x 1 75 d x 2 6 h park gate 3 5 w x 1 75 d x 3 4 h dilophosaurus 2 75 w x 3 75 d x 3 h

By Penn Plax

This kit offers a vibrant and exciting way to create a beautiful aquatic landscape in any aquarium! With these plastic plants, your creative aquascaping options are only bound by your imagination! In addition to beautifying your tank, they offer nifty swim-throughs and hide-aways for your fish! Made of safe & durable materials, the artificial aquarium plants are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. They also feature a weighted base that keeps them grounded in your tank. Super simple to clean, simply wipe down and rinse off the aquarium plants with warm water before placing in tank. Never use soap to clean them, as the residual soap particles can harm your fish. Measurements - the 4 extra small plants each measure approximately 2” – 3” (dia) x 1.5” – 2” (h). The 2 medium plants each measure approximately 4.25” – 6” (w) x 4” – 6” (d) x 5” – 6” (h).

By Penn Plax

This brightly vivid bubbler features 12 LED Lights that create a colorful ring of bubbles with constant ever-changing light effects, providing your tank with additional color and action, for you, as well as your fish! Great for Fresh and Marine tanks. Functional: Oxygenate your tank with the Cascade LED Air Stone. It connects to an air pump and a check valve via line tubing. The LED Lights are powered separately from the air supply, and use a different power cord (provided). Please Note: Air Pump, Line Tubing, and Check Valve not included. Suction Cup Base: The Cascade LED Air Stone mounts to your tank via 3 sturdy and durable suction cups. In addition, you can secure it even further by using gravel or sand to cover it up to the top brim, leaving the LED Lights and Bubbler exposed. Measurements: Air Stone: 1.75” (H) x 2.5” (Dia); LED Light Power Cord: 38.5” (Length).

By Penn Plax

By Penn Plax

Add some whimsical charm and wonder to your fish tank with this fully detailed aquarium decoration. This fully colored aquatic ornament features a medium castle perched upon a rocky hill, with a cone-shaped roof, towers, archways, and stone details that give a realistic feel from times of old. This piece makes for a great centerpiece or accent and is perfect for anything magically themed. Most small fish and shrimp can swim through and around it, which greatly reduces stress and boredom. Made of Safe and Durable Resin: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Before placing it into your tank, or as you perform regular cleaning and maintenance, simply wipe down and rinse off the ornament with warm water. Never use soap, as the residual soap particles can harm your fish. Measurements: 5.25” (W) x 3.75” (D) x 8” (H).

Perfect for a 20 gallon tank or less.. Barbara Mowrey . Idaho. Fri Dec 29 2023

By Penn Plax

Unlike live aquarium flora, our artificial plastic plants don’t require specialized lighting, and don’t need to be pruned into shape or size! Each plant within this 6 piece bundle features a vivid appearance and a gentle touch! This bundle includes 2 of each plant style, for a total of (6) 4” plants! Safe and Durable Materials: Our aquarium plants are inspected with your pet’s safety in mind. All materials used are safe for both freshwater and saltwater aquariums. They also feature a sturdy ceramic base that keeps them grounded in your fish tank. Weighted Base for Secure Mounting: Each artificial plant features a weighted ceramic base, ensuring that they’ll stay in place. This eliminates the worry of constantly having to adjust their placement within your fish tank. Super Simple to Clean: Before placing into your tank, or as you as perform regular cleaning and maintenance, simply wipe down and rinse off plants with warm water. Never use soap, as the residual soap particles can harm your fish.

By Penn Plax

Bring the warmth and joy of the beach to your aquarium with the deco-replica sand & seashell lighthouse aquarium ornament. This piece is accented with a lined seashell swirl design, 2 seahorses, 1 red seashell, and tiny entries on top. Made of safe and durable resin: Our ornaments are inspected with your fish’s safety in mind; the material is safe for both freshwater and saltwater aquariums. With a finely constructed base, you don’t need to worry about the lighthouse floating around once you place it underwater. Super simple to clean: before placing it into your tank, or as you perform regular cleaning and maintenance, simply wipe down and rinse off the ornament with warm water. Never use soap, as the residual soap particles can harm your fish. Please note: Your fish might use the top small entryways as a swim-through. Nautical décor: the sand & seashell lighthouse also makes for a great decoration piece for parties, weddings, beach houses, nautical-themed rooms, or the bedroom of an ocean-loving child who’s into all things aquatic.

By Penn Plax

Great for separating newbies. Linda. Madeira Beach, FL. Wed Aug 30 2023

By Penn Plax

This poly fiber floss and activated carbon media cartridge is specially designed for the NuWave Betta fish tank kit. This ready-to-use cartridge allows for simple and easy filter media replenishment. There’s no need to cut or combine other filter media! For best results, replace cartridge every 6 – 8 weeks. Clean & healthy: This filter media cartridge traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. It helps keep water inside your tank crystal clean. Measurements: Overall = 2.1” (W) x 0.75” (D) x 4” (H).

By Penn Plax

Powered by an aquarium air pump, the pirate's skeleton still mans the helm, swaying left and right with the forthcoming bubbles. This real motion, air driven ornament will provide hours of fun and entertainment inside your fish tank! Aerate Your Aquarium: Our Action-Air ornaments provide an exciting and enjoyable way to aerate your aquarium. While a simple air stone will always do the trick, it’s not the same as watching the real time movements of these decorations! Please Note: requires air pump and standard airline tubing to operate – these items are not included in purchase. Made of Safe and Durable Material: Our Action-Air Aquarium Ornaments are inspected with your fish’s safety in mind. The plastic material used is safe for both freshwater and saltwater aquariums. They also feature a sturdy base that helps keep them grounded in your tank. Super Simple to Clean: Before placing into your tank, or as you as perform regular cleaning and maintenance, simply wipe down and rinse off the aerating ornament with warm water. Never use soap, as the residual soap particles can harm your fish. Measurements: Overall = 4.5” (W) x 2.5” (D) x 5.5” (H) / Airline Tube Connector Length = 6”

By Penn Plax

From the creative minds at Nickelodeon, bring home part of Adventure Bay with the Officially Licensed Marshall Aquarium Ornament. Mini sized ornaments are perfect for desktop aquariums and small tanks! Made of Safe and Durable Resin: All of our aquarium ornaments are inspected with your fish’s safety in mind. They’re safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Simply wipe down and rinse off ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Spend Some Time in Adventure Bay: This fun aquarium ornament will instantly add excitement and imagination to your fish tank! Perfect for children and adults! Measurements: Overall = 1.75” (W) x 1.75” (D) x 1.5” (H).

By Penn Plax

Add some natural beauty and calming peace to your fish tank! The plastic leaves display a soothing array of greens. Not only can this aquarium decoration be fully submerged in water, but it’s also great for reptile terrariums, amphibian habitats, and spider enclosures! Our aquarium ornaments are inspected with your pet’s safety in mind. All materials used are safe for both freshwater and saltwater aquariums and terrariums. They also feature a sturdy base that keeps them grounded in your tank. Before placing it into your tank, or as you perform regular cleaning and maintenance, simply wipe down and rinse off the ornament with warm water. Never use soap, as the residual soap particles can harm your pet.

All the greens fell off, I threw it out. Steve. Sugar Hill, GA. Fri Aug 29 2025

By Penn Plax

Add some natural beauty and calming peace to your fish tank! The silk leaves display an array of eye-catching oranges fading into yellows. Not only can this aquarium decoration be fully submerged in water, it’s also great for reptile terrariums, amphibian habitats, and spider enclosures! Safe and durable materials: Their aquarium ornaments are inspected with your pet’s safety in mind. All materials used are safe for both freshwater and saltwater aquariums and terrariums. They also feature a sturdy base that keeps them grounded in your tank. Super simple to clean: Before placing into your tank, or as you as perform regular cleaning and maintenance, simply wipe down and rinse off the ornament with warm water. Never use soap, as the residual soap particles can harm your pet. Measurements: Overall = 5” (W) x 3.25” (D) x 8” (H).

By Penn Plax

By Penn Plax

RECOMMENDED FOR A LARGE TANK: we recommend the Under Water Oasis for aquariums 20-30 gallons in size or larger. The product measures 14.25 x 8 x 15 inches, so please measure your tank and make sure that there’s room in it before purchasing. FULLY COLORED AND HIGHLY DETAILED: Each piece is made of a high quality resin that’s been hand painted for fine detail. Safe for your aquarium and fish, we highly recommend rinsing your Under Water Oasis with warm water before placing in your fish tank. FOR FRESHWATER AND MARINE AQUARIUMS: These heavy duty resins are safe for your freshwater and saltwater tanks. The beautiful piece will instantly become a main focus in your aquarium! WEIGHTED DECORATION: All of pieces of the Under Water Oasis are weighted, so they will not shift in your aquarium after you place it where you’d like. They can easily be moved by people, but not by water pressure or a big fish.

By Penn Plax

From the creative minds at Nickelodeon, bring home part of Adventure Bay with the Officially Licensed Chase Aquarium Ornament. Mini sized ornaments are perfect for desktop aquariums and small tanks! Made of Safe and Durable Resin: All of our aquarium ornaments are inspected with your fish’s safety in mind. They’re safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Simply wipe down and rinse off ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Spend Some Time in Adventure Bay: This fun aquarium ornament will instantly add excitement and imagination to your fish tank! Perfect for children and adults! Measurements: Overall = 1.5” (W) x 1.25” (D) x 2.5” (H). Shop Penn-Plax for All Your Pet’s Needs: Penn-Plax is a manufacturer and distributor of top quality pet supplies, who specialize in creating excellent pet products for animals, both great and small.

By Penn Plax

From the creative minds at Nickelodeon, bring home part of Adventure Bay with the Officially Licensed Rubble Aquarium Ornament. Mini sized ornaments are perfect for desktop aquariums and small tanks! Made of Safe and Durable Resin: All of our aquarium ornaments are inspected with your fish’s safety in mind. They’re safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Simply wipe down and rinse off ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Spend Some Time in Adventure Bay: This fun aquarium ornament will instantly add excitement and imagination to your fish tank! Perfect for children and adults! Measurements: Overall = 1.75” (W) x 1.25” (D) x 1” (H).

By Penn Plax

Medium: 34 oz.

Indra. Atlanta, GA. Wed Apr 06 2016

By Penn Plax

Deco-Replicas presents the Granite Aquarium Ornament & Hideaway 2 Piece Set (Small & Medium). Although these items are not made from granite, they resemble the real thing. Not only does these pieces compliment the interior décor of many modern homes, they also serve as hideaways and swim-throughs for your fish. Perfect for cichlid tanks, since they’re territorial fish, and must create their own space. Easily Stackable: Our granite-like ornaments come in different sizes; 2 Piece Sets are offered in Small / Medium, and Large / Extra Large. Stack or arrange these stones however you’d like within your tank. The possibilities and combinations are endless! Super Simple to Clean: Simply wipe down and rinse off ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. It’s safe for both freshwater and saltwater aquariums.

By Penn Plax

Super

By Penn Plax

Medium: 44 oz.

By Penn Plax

Without effort, the Cascade 500 Canister Filter quietly delivers crystal clear water throughout the tank. This filter cycles water at 115 Gallons per Hour, and is recommended for aquariums up to 30 gallons. It’s compatible for both freshwater and saltwater fish tanks, and is also great for turtle habitats! State of the Art Features: In addition to the push button primer that allows for a simple and quick prime, this Canister Filter also features two independent valve taps that rotate 360°. This makes for easy maneuvering, even in the tightest aquarium cabinets! The 2 stackable, large capacity media baskets give aquarists the ability to customize filtration, and include built-in handles for utmost convenience. Furthermore, the included spray bar helps aerate your aquarium by evenly distributing filtered water over the surface. Filter Media: This Canister Filter comes standard with 2 Poly Fiber Floss Pads, 1 Coarse Bio-Sponge, and 1 Bag of Activated Carbon. In addition to optimizing the colonization of anaerobic bacteria, this filter traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. Items Included: 2 Independent Valve Taps, Push Button Primer, Flow Rate Control Cut-Off Valves, Swimming-Pool Style Hose Clamps, 4 Easy Lift Alignment Clamps, Sturdy Tip-Proof Base, 2 Large Capacity Media Baskets, 2 Poly Fiber Floss Pads, 1 Coarse Bio-Sponge, and 1 Bag of Activated Carbon. Measurements and Other Useful Info: The Cascade 500 Canister Filter measures 11.5” (W) x 9” (D) x 13.5” (H). Additional Info = 110 Volts / 60 Hz / 10.5 W.

It’s a wonderful filter! Our tank has been crystal clear since we put it in!. Anonymous. Sat Nov 19 2022

By Penn Plax

From the creative minds at Nickelodeon, bring SpongeBob’s famous pineapple house that’s located on 124 Conch Street, Bikini Bottom, to your home! This large sized, officially licensed aquarium ornament makes for a great addition to all home aquariums! Made of Safe and Durable Resin: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. Each decoration has a sturdy base. There’s no need to worry about it floating around once you place it underwater. Super Simple to Clean: Simply wipe down and rinse off the aquarium ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Bring the World of SpongeBob Home: Perfect for adults and children! This fun aquarium decoration will instantly add magic to your tank! Most small and medium fish can fit inside, allowing them to swim in and around it. This helps reduce fish boredom! It will fit easily in almost any fish tank sitting at home. It’s designed to be the perfect accent to any aquarium, regardless of size. Get creative!

By Penn Plax

Filtrx is specially designed filter media that removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. This item is compatible with Cascade, Marlin, and Other Aquarium Filter Systems with Trays. Scientifically Formulated: Supercharged with Pro-Z Zeolite crystals, this advanced filter media absorbs ammonia in a fast and timely manner. Thus, removing ammonia from your tank. In addition, Filtrx helps maintain a stable pH level in your aquarium. Top-Quality Zeolite: Each box of Filtrx media contains 2 convenient, disposable 8oz bags of Zeolite crystals. It’s advised that you should rinse this media thoroughly with cold water before placing in aquarium filter. For best results, replace every 4 – 6 weeks, tank condition permitting. Measurements: Each bag of Filtrx media (with Zeolite) measures approximately 6” x 5” x 0.5”.

By Penn Plax

Add some sparkles and shine to your fish tank with this colorful piece! This translucent, sapphire blue aquarium decoration features a swim-though that doubles as a hiding space, which helps reduce fish stress and boredom. It’s also perfect for territorial fish, such as cichlids. Made of Safe and Durable Resin: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Simply wipe down and rinse off the aquarium ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Measurements: Overall = 4.75” (W) x 3.5” (D) x 3.5” (H) / Front Opening = 4.25” (W) x 2.25” (H) / Back Swim-Through = 1.5” (W) x 1.5” (H).

By Penn Plax

Extra Large

By Penn Plax

1.3" H x 8.8" W x 2.5" D

Aquarium Gravel Vac is perfect for your aquarium maintenance needs. It's designed for the removal of grungy waste, dirt layers, and debris from the gravel bed at the bottom of your aquarium.

By Penn Plax

3.6" H x 7.5" W x 6.5" D, Tan

This Penn-Plax 5 inch granite stone replica is hollow with a round entryway, perfect for your reptile to rest or hide. Made of safe, durable resin, this decoration is safe for use in all terrariums or aquariums. This stone hideaway is freestanding and can be placed anywhere in your animal's habitat.

By Penn Plax

In addition to delivering crystal clear water throughout the aquarium, the Cascade 300 cycles water at 70 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for Freshwater and Saltwater aquariums, along with a variety of Terrarium setups. Accommodating: The adjustable flow switch allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed. The directional flow nozzles allow for additional tank customization and convenience. Furthermore, the filter utilizes 4 suction cups, allowing for both vertical and horizontal mounting positions. Fully Submersible: The Cascade 300 utilizes 2 filter media chambers, and comes with filter media: 1 refillable Carbon Cartridge and 1 Bio-Sponge. In addition to optimizing the colonization of anaerobic bacteria, this filter traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. Venturi Aeration: The Cascade 300 features Venturi Aeration, which provides your tank with filtered, oxygenated water. This feature eliminates the need for an air pump. Instead of two separate units, this filter combines both functions: simply connect the Air Tube and Air Muffler to the Flow Nozzle, and follow the included instructions. Please fully submerge and fill filter with water before turning on. Aerating Spray Bar: In addition to the two Flow Nozzles and the Venturi Aeration, the Cascade 300 includes a Spray Bar that evenly distributes filtered water over the surface of your aquarium. Measurements: 5.75” (L) x 2” (W) x 2.5” (D).

By Penn Plax

Reptology presents the Shale Scape Cavernous Cliff. Unbound by a picturesque and marvelous atmosphere, the Shale-Scape Cavernous Cliff is a must have for pet owners looking to add a beautiful and functional piece to their aquarium or terrarium. Recreate an adventurous scene within your pet’s habitat or tank. Great for Climbing and Basking: This Shale Scape is not only decorative, but is also purposeful! If your pet reptile or amphibian loves to climb, this piece will be their next mountain to conquer, as they rest peacefully on the top basking ledge, regulating their body temperature. Or for those who are more quite, shy, and reserved, there’s a hidden cavern on the bottom, with a front and rear entrance / exit. Perfect for Frogs, Geckos, Newts, Salamanders, and Snakes, along with other small lizards and reptiles. Works Well in Any Environment: In addition to reptiles and amphibians, this Shale Scape provides a great swim through or hiding spot for axolotls, fish, and crustaceans, such as crayfish and shrimp. Most small and medium sized fish can pass through, allowing them to swim in and around it, which greatly helps reduce boredom and stress. Made of Safe and Durable Resin: Our Shale Scapes are inspected with your pet’s safety in mind, and are safe for freshwater and saltwater aquariums. The resin has a sturdy base: you don’t need to worry about it floating around once you place it underwater. Measurements: Overall = 8.75” (W) x 6” (D) x 11.2” (H) // Basking Ledge = 5” x 2.25” // Front Entrance / Exit = 3” x 2.5” // Rear Entrance / Exit = 3.5” x 3” // Middle Hole = 1.25” x 2.75”.

I love this, I bought it for the water feature for my lizard palladarium.. Rachael. Sun Jul 06 2025

By Penn Plax

Cascade presents the 9-Piece Betta Starter Kit. This kit offers a great value for new fish owners, or for aquarists looking to get most of the tools needed for Betta keeping. This kit comes standard with 9 pieces, including a Nano Air Pump and Mini Sponge Filter. Please Note: fish and tank sold separately. Cascade Nano Air Pump: This Aquarium Kit comes standard with a Cascade Nano Air Pump (Model #: SAX7). Operating at a silent 43 dB, this air pump aerates and oxygenates fish tanks at a rate of 1.2 Liters per Minute (1.2L/Min). It connects to an electrical wall outlet via a 26.5” long power cable. Cascade Mini Sponge Filter: While air is quietly directed into the air stone, water is softly suctioned through the Mini Sponge Filter as bubbles of clean air and water cycle back into the tank. It produces continuously clean, yet comfortable and calm water circulation for your Betta! It also optimizes the colonization of anaerobic bacteria, along with providing mechanical filtration that traps large particulate matter. Decorative Zeolite Crystals: This Aquarium Kit comes with 1 lb. of Zeolite Crystals. This decorative substrate also naturally absorbs ammonia in a fast and timely manner, along with waste, toxins, and odors. Items Included: This Aquarium Kit comes with Nano Air Pump, Mini Sponge Filter, 2.5 feet of Airline Tubing, Check Valve, Betta Leaf, Cleaning Sponge, 3” Fish Net, Strip Thermometer, and 1 lb. of Decorative Zeolite Crystals. Please Note: fish and tank sold separately. Measurements: Air Pump = 2” (W) x 3.25” (D) x 1.5” (H) / Mini Sponge Filter = 1.5” (Dia) x 3.75” (H) / Airline Tubing = 2.5’ (L) / Fish Net = 3” (W) x 2.5” (D) with a 10” (L) handle.

By Penn Plax

Turn your fish tank into your very own Bikini Bottom with this 7 Piece Mini Aquarium Ornament Set, which includes SpongeBob, Patrick, Sandy, Squidward, Gary, Mr. Krabs, and Plankton. Made of Safe and Durable Resin: All included pieces are inspected with your fish’s safety in mind; safe for both freshwater and saltwater aquariums. All ornaments have a sturdy base that keeps them grounded in your tank. Super Simple to Clean: Simply wipe down and rinse off ornaments with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Bring the Wonder of Bikini Bottom Home: This fun aquarium ornament set will instantly add excitement and imagination to your tank! Perfect for children and those who love SpongeBob SquarePants! Whether in your aquarium, on top of a cake, or on a bedroom shelf, you’ll love these ornaments! But remember, they are not toys. Measurements: Each ornament is approximately 1'' (W) x 1'' (D) x 2'' (H).

By Penn Plax

From the creative minds behind the world of Bikini Bottom, bring wonder and joy to your home with the Officially Licensed SpongeBob SquarePants Aquarium Kit. This kit has most of the essentials needed to start a basic home aquarium for young beginners! The provided tank holds 1.5 gallons of water, and is made of strong and transparent plastic. *Fish Not Included Educational & Fun: This aquarium kit is perfect for teaching children the responsibilities of pet ownership, while keeping things simple and entertaining. The tank has enough capacity for a Betta, or even possibly some Shrimp, or very small schools of Guppies, Tetras, and other freshwater nano fish. Safe, Strong, and Durable: The tank is made of clear, scratch-resistant plastic, which breaks in a safer manner than traditional glass aquariums. We know that accidents happen, and to help prevent any possible injury from a spread of shattered pieces, we chose plastic over glass. Items Included: This kit includes the following: 1.5 Gallon Tank, Cascade 170 Fully Submersible Internal Aquarium Filter, Fully Colored SpongeBob Background and Stickers, along with a Corrugated Krusty Krab Sign (that sits above the tank’s cover). *Fish Not Included. Measurements: This aquarium kit measures 8.5” (W) x 6” (D) x 9.5” (H), and is small enough to place into most spots, such as a desk or counter. Unlike other aquariums, you don’t have to worry whenever or not you have enough space! It will fit!

Melinda. Oklahoma City, OK. Fri Dec 09 2022

By Penn Plax

As an automatic circulating nursery, the Penn Plax Aqua Nursery and Hatchery will keep your baby fish safe and healthy in a gentle way. This innovative breeding box Nursery draws new-born fry through a tube from the maternity section into the nursery section keeping them separate, alive and healthy. The nursery section may be lifted out separate from the maternity section and placed in other locations.The Aqua-Nursery has a constant circulation eliminating stagnant water, as well as adjustable hangers and removable top covers.Breeding your own fish is fascinating and educational, not to mention cheaper. Now it's easier and safer too.

First experience. Awsome. In stock and delivered before expected date! Will def shop here again.. Anonymous. Fri Nov 29 2024

By Penn Plax

Add some sparkles and shine to your fish tank with this colorful piece! This translucent, amethyst purple aquarium decoration features a swim-though that doubles as a hiding space, which helps reduce fish stress and boredom. It’s also perfect for territorial fish, such as cichlids. Made of safe and durable resin: Our aquarium ornaments are inspected with your fish’s safety in mind. The material used is safe for both freshwater and saltwater aquariums. They also feature a sturdy base that keeps them grounded in your tank. Super simple to clean: Simply wipe down and rinse off the aquarium ornament with warm water when you are cleaning out your tank. Never use soap, as the residual soap particles can harm your fish. Measurements: Overall = 4.75” (w) x 3.5” (d) x 3.5” (h) / front opening = 4.25” (w) x 2.25” (h) / back swim-through = 1.5” (w) x 1.5” (h).

By Penn Plax

Cascade presents the Canistar Hang-On Canister Filter. This filter provides the power and efficiency of a canister filter, with a sleek and convenient hang-on-the-back design. It can either stand alone or be hung behind an aquarium, is great for smaller fish tanks up to 25 gallons, and boasts a water output of 108 Gallons per Hour (GPH). This innovative product combines the strengths of Canister and Hang-On Filters, with no drawback! It’s less cumbersome than a canister, but more advanced than a hang-on. This filter is safe for both freshwater and saltwater aquariums, and is also great for turtle tanks! 3 Stages of Filtration: The Cascade Canistar Filter delivers mechanical, chemical, and biological filtration in one steady flow. The Poly Fiber Floss and Coarse Sponge traps floating particulate matter, while Activated Carbon naturally absorbs ammonia, along with waste, toxins, odors, and discolorations. Additionally, the Bio Balls provide ample surface area for anaerobic bacteria to grow and thrive. These bacteria are greatly beneficial for your aquarium, as they aid in additional breakdown of toxic ammonia and nitrate. Aerating Spray Bar: The Cascade Canistar Filter comes with a Spray Bar that circulates and evenly distributes filtered water, while aerating your fish tank. Items Included: Hang-On Canister Filter, Aerating Spray Bar, 3 Poly Fiber and Activated Carbon Cartridges, Bio Balls, Coarse Sponge, 2’ Input and Output Extension Tubes, Input & Output Tubes, Hang-on Filter Bracket, and L-Shaped Bracket Connector. Measurements: Overall = 7.65” (W) x 6” (D) x 11.15” (H).

By Penn Plax

Rock Grotto Aquarium Ornament This realistic rock look is appealing to all aquarium creatures. They will vie for their favorite spot. Fish love the in and out action just like small ocean caves. Choose the large, medium or corner design for your style preference. Reptiles and small animals also love the hidden effect if you prefer a dry display. Made of resin and hand painted details give it a realistic look. Multiple Uses: Grotto for FISH Grotto for REPTILES Grotto for SMALL ANIMALS About Penn Plax: Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with innovation and quality, keeping your pet foremost in mind. Perfect for fish, reptiles, or small animals. Suitable for both aquariums and terrariums. Detailed finish looks like real rock. Available in a variety of styles.