Polyplab Genesis Rock 4pk fresh water For fresh water aquariums and

For fresh water aquariums and fish tanks

Depending on the model

Royal Blue 16

ó ¼ s the Spectrum Nutrition Formula combined with our own mix of beneficial á probiotic cultures ó ¼ at least 3 million per gram

Extendable range: 38-63 CM

Polyplab Genesis Rock 4pk fresh water For fresh water aquariums andGenesis Rock is a 100% Ceramic Compound fired at 600+ degrees that will last in your tank for years. Providing over 23,000 square feet of space per black for beneficial aquarium bacteria to form, these blocks providing a tremendous amount of filtration power and significantly reduce phosphates, nitrates, and other dissolved organic compounds. The Genesis Rock can be used in fresh or saltwater aquariums and can be used under your sand or rock