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FritzZyme 7 & 9

The Original Live Nitrifying Bacteria

  • Rapidly Eliminates Toxic Ammonia and Nitrite
  • Allows Safe Immediate Introduction of Livestock
  • Prevents "New Tank Syndrome"
  • Establishes and Maintains a Healthy Biofilter
  • Prevents Fish Loss
  • A Safe, Natural Approach to Water Treatment

FritzZyme® 7 and 9 contain 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 provides the proper balance of bacteria proven to rapidly seed biofilters, greatly reducing the natural cycle time allowing for safe, immediate addition of livestock.

Fritz Industries was the first company to pioneer commercial-scale cultivation of nitrifying bacteria, and has remained one of only a few in the world with continuous production for over 30 years.

FritzZyme Nitrifying Bacteria may be added to new tanks or established systems any time the biofilter needs fortification including; after water changes, aggressive cleaning, adding new livestock, medicating, or changing filter media.

FritzZyme 7 contains live Nitrosomonas and Nitrobacter freshwater specific species of nitrifying bacteria and FritzZyme 9 contains live Nitrosoccocus and Nitrococcus saltwater specific species of nitrifying bacteria.

Using FritzZyme 7 & 9

The nitrifying bacteria in FritzZyme 7 & 9 are in concentrations that do not require refrigeration. Unlike chemical-based products, FritzZyme 7 & 9 is live bacteria that must remain viable (alive) to be effective. Do not use FritzZyme 7 & 9 with medications or copper based algaecides. Protein skimmers and UV sterilizers must be turned off prior to use and remain off for four days after applying FritzZyme 7 & 9.

Available Sizes

FritzZyme 7 (Freshwater)

Size Treats up to
8 oz (236 ml) 40 gal (151 L)
16 oz (473 ml) 80 gal (302 L)
32 oz (946 ml) 160 gal (605 L)
1 gal (3.78 L) 640 gal (2,422 L)

FritzZyme 9 (Saltwater)

Size Treats up to
8 oz (236 ml) 20 gal (75 L)
16 oz (473 ml) 40 gal (151 L)
32 oz (946 ml) 80 gal (302 L)
1 gal (3.78 L) 320 gal (1,211 L)

Independent Studies

California State, Texas A&M Corpus Christi, University of Nevada Las Vegas

Testimonials

Actual testimonials of FritzZyme users from hobbyists to professionals.

“I cannot thank you enough for producing a product which would clearly exceed the expectations of virtually anyone in this business.”

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