FritzZyme 9 Saltwater - 8 oz Corner Filters Many different texture for a

Many different texture for a good interaction with vine balls

and are still growing slowly

The surface of all the bubbles or pockets in the sponge provides a bed for the beneficial bacteria of a biological filter

Collapsible design allows for easy storage of the Ultimate Ex-Pen

FritzZyme 9 Saltwater - 8 oz Corner Filters Many different texture for aFritzZyme 9 contains saltwater 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. FritzZyme9 provides the proper balance of bacteria proven to rapidly seed biofilters, greatly reducing the natural cycle time allowing for safe, immediate