Use 1 tsp (5 ml) per 50 U.S. gallons (189 L).
For best results, add Fritz Complete to tap water before adding water to aquarium.
If treating aquarium for ammonia, nitrite or nitrate, base dose on aquarium volume.
For extremely high levels of chloramine or nitrite, dosage can be repeated or increased up to 5x within a 24-hour period.
DO NOT OVERDOSE. A sulfur odor is normal and dissipates rapidly after use. In certain rare conditions and in low oxygen environments, this product may reduce dissolved oxygen levels. Ensure there is adequate circulation/aeration before adding.
This product will affect the accuracy of Nessler-type ammonia test kits and Winkler-type oxygen test kits. Salicylate ammonia test kits are recommended.
Can Fritz Complete be overdosed?
The dosage of Fritz Complete can be increased by up to 5x the recommended amount. If a higher dose is added to the tank, ensure the aquarium is well aerated and monitor the dissolved oxygen levels.
Does Fritz Complete remove chloramine? If so, where does the ammonia go?
Fritz Complete works by first removing chlorine from the water, then binding with ammonia until it can be consumed by the nitrifying bacteria in your system.
Fritz Complete smells bad. Is that normal?
Fritz Complete has a very distinct sulfur odor, which is completely normal.
If I remove all ammonia, will it harm the bacteria colony?
Fritz Complete binds with ammonia, nitrite, and nitrate making them harmless to the inhabitants while still bioavailable to the beneficial bacteria.
What do I dose if my ammonia is extremely high?
Dilute the ammonia concentration by performing a water change. Fritz Complete can be added up to 5x the recommended amount safely for high ammonia concentrations.
How long should I wait after treating water to add to tank?
Treated water can be added to the aquarium immediately after mixing with Fritz Complete.