FritzZyme 7 Freshwater Size:8Oz FritzZyme® 9 provides the proper

FritzZyme® 9 provides the proper balance of bacteria proven to rapidly seed biofilters

Includes Activated Carbon Filter

Programmable alerts for out of range parameters

where aquarium enthusiasts had to rely on bulky wave makers

Potassium: 400 ppm

FritzZyme 7 Freshwater Size:8Oz FritzZyme® 9 provides the properFritzZyme 7 Freshwater The Original Live Nitrifying Bacteria No Need for Refrigeration, 18 Month Shelf Life Naturally Eliminates Toxic Ammonia and Nitrite FritzZyme 7 is Good for Fresh and Brackish Systems Great for Use After Maintenance About FritzZyme 7 Freshwater FritzZyme 7 contains live freshwater specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks