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

Purigen® has barely begun to reach its potential

Salicylate ammonia test kits are recommended when using FritzPro A

The Seachem Algae Scraper is designed with versatility in mind

Carbonate and General Hardness

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

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