Fritz FritzZyme 7 Freshwater Live Nitrifying Bacteria, 8 fl oz

Fritz FritzZyme 7 Freshwater Live Nitrifying Bacteria is an 8-fluid-ounce bottle of live bacteria for your freshwater aquarium's biological filtration.

Quick facts

• Species: Fish, freshwater aquariums
• Size: 8 fluid ounces
• Key ingredient: Live nitrifying bacteria, specific Fritz-selected strains
• Form: Live bacteria, in a bottle

Why owners like it

• Live nitrifying bacteria are the organisms that turn harmful waste into safer compounds in your tank, and this bottle contains them.
• Uses specific bacterial strains Fritz selected for this freshwater formula, rather than a generic blend.
• Fritz says these strains are proven to reduce fish loss tied to toxic ammonia levels in your tank.
• Fritz also says the strains are proven to reduce fish loss tied to toxic nitrite levels in your tank.
• Fits naturally into the cycling process, when ammonia and nitrite are most likely to reach toxic levels.
• Supports the ongoing biological balance that keeps your fish's water safer between water changes.

Add it directly to your tank to seed or reinforce your freshwater bacterial colony, whether you are just starting out or working through a rough patch.

Questions owners ask

When should I use this? Fritz designed it for tanks that are cycling, recovering from a spike, or simply due for a boost to beneficial bacteria.

Is it only for freshwater tanks? Yes, this formula is made specifically for freshwater aquariums.

What size does it come in? It comes in an 8-fluid-ounce bottle.