anyone interested in breeding crystal red shrimp should be willing to spend the money on this product. it may not be as colorful as alternatives, but it is designed to retain the bacteria needed for these little critters, and also, it allows the babys to hide in the substrate. It works best with gentle water replacement so as not to disturb the substrate. It also works best without vacuming."..." Read more
- LINDA in YUCCA VALLEY, CA