Fritz FritzZyme 7 Freshwater - 32 oz Repashy Purigen® has barely begun to

Purigen® has barely begun to reach its potential

A further bonus for the reef hobbyist—Prime® will not overactivate protein skimmers

- Tank capacity: 5-15 Gallons

The filter sucks the water in through vents

A brine solution will not remove organics

Fritz FritzZyme 7 Freshwater - 32 oz Repashy Purigen® has barely begun toAbout FritzZyme 7 Freshwater FritzZyme 7 contains specific strains of live nitrifying bacteria proven to reduce fish loss due to toxic levels of ammonia and nitrite. Nitrifying bacteria can take weeks to naturally establish colonies in new aquariums while ammonia and nitrite can reach lethal levels in only a few days. FritzZyme 7 provides the proper balance of bacteria proven to rapidly seed biofilters, greatly reducing the natural cycle time allowing