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 150 reviews
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?

H. K.L. (Jacksonville, AL, US)
Always trusted

I've been using Prime forever and it's never let me down. Helpful tip: use an empty API liquid tester bottle for dosing by the drop for nano tanks, at 1 drop per gallon.

Joe G. (Myrtle Beach, SC, US)

I've been in the fish hobby for over 30 years the aquarium co-op products especially fertilizers and any other questions helps answers nothing but the best