Seachem Prime Water Conditioner

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  • Highly Concentrated
  • Removes Chlorine and Chloramine
  • Detoxifies Ammonia, Nitrite, and Nitrate

Prime water conditioner from Seachem is one of the most highly concentrated dechlorinators on the market. It is much more concentrated than most other competing products. Therefore, it will treat much more water and last you a long time. Prime removes chlorine, chloramine and detoxifies ammonia, nitrite, and nitrate. It will also detoxify any heavy metals found in tap water at typical concentration levels.

Customer Reviews

Based on 152 reviews
Z.P. (Bradford, PA, US)
150 gallon

Had 2 fluval canisters already established, between Prime and the filters after a week I already have a fully cycled 150 gallon tank

Trey C. (Celina, TX, US)

Item came in as expected and shipping was perfect!

Gabe K. (Avon, IN, US)
Just Buy It

Stop thinking about it, you will not regret using this stuff. I don't even measure it being completely honest, says one capful is 50gal so I just eyeball it and have a small cut in the film that you are supposed to take off. This stuff seriously takes no skill or thought, throw it in and it works perfectly.

Lori F. (Hanson, KY, US)

A large bottle goes a long way!

Joe (Nashville, TN, US)
The one, the only

It's prime, baby. What else is there to say?