Prime neutralized chlorine, chloromines, nitrite, and some nitrates. When I use Prime I know the water is safe for my fish. It's great during water changes as I can add tap water directly to the tank with the fish in the tank as long as I use Prime at the correct rate I know there won't be any issues.
Verified purchase: Yes | Condition: New
I use it every other day because it also detoxes ammonia and nitrate. This along with weekly water changes keeps my Discus alive and happy!
Verified purchase: Yes | Condition: New
I love prime use it for my weekly water changes
Verified purchase: Yes | Condition: New
Used it in 55 gallon freshwater tank that had high ammonia levels.15 minutes later no ammonia. Proof that what I read is true.
Verified purchase: Yes | Condition: New
I use this weekly on my tanks. Healthy beautiful fish even discus with Prime and tap water.
Verified purchase: Yes | Condition: New
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