Kovac Aquarium Accessory

Features

• Ceramic rings remove nitrites: Ceramic material superior at effectively removing ammonia & nitrites that hurt fish and cause unwanted plant life. You'll be surprised how clean your tank or pool is when using this aquarium filter.
• Hollow in the filter material: There is a hollow in the middle of the biological column filtering medium, which can provide an anaerobic environment, reducing the content of nitrates in water, and promote a more healthy water quality
• Works for any tank: This aquarium biological filter is great for any freshwater or saltwater fish tank or mini-reef aquarium. Easy to wash and clean.
• Scientific configuration, rational combination: Bio-balls do not require replacement unless damaged or destroyed, use the scientific method, reasonable filter material, the filter media works better
• Resolve impurities, stabilize PH: Resolve impurities, stabilize PH. Clarify your water naturally and cultivate beneficial bacteria with these bio-balls.