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Sludge includes fish waste
Feed all that you pour and do not return any product to the container (again to prevent contamination)
use it according to the capacity of the tank
need calcium to grow and remain healthy
But Neo soil has many air holes inside
Fritz Aquatics Fritzzyme 9 Saltwater Nitrifying Bacteria 473ml/16oz API Sludge includes fish wasteFritz Aquatics FritzZyme 9 Saltwater Nitrifying Bacteria 473ml 16oz The Original Live Nitrifying Bacteria No Need for Refrigeration and One Year Shelf Life Rapidly Eliminates Toxic Ammonia and Nitrite FritzZyme 7 is Good for Fresh and Brackish Systems Great for Use After Maintenance About FritzZyme 9 Saltwater FritzZyme 9 contains live saltwater specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and