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Customer reviews (10)
Five Stars
This stuff does a great job, and it lasts forever..
Five Stars
Good product.
Great water treatment - definitely recommend it.
This is an excellent water treatment product.
Five Stars
Perfect.
Five Stars
Works great.
Crystal clear water and economical!
I just used Prime for the first time.
get it, you won't be sorry
WE have been using this product for years for our cichlid tank.
Five Stars
Great value.
I love it and order it all the time
This is the product I use to condition my water for my reef tank.
but towards the end it developed a very foul smell. It always smelled bad
I used the whole bottle without incident, but towards the end it developed a very foul smell.