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Serviceable, quiet powerhead By Jeff on 5/3/13
Jeff would recommend this product to a friend
I bought this powerhead for extra flow in my 18" cube coral quarantine tank. It has nearly silent operation and does its job well. I would encourage anyone looking for a small, inexpensive powerhead to give this product a try.
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Nice pump By bruce on 4/13/13
bruce would recommend this product to a friend
The Mj400 is powering my ATO. I was very surprised how quiet the pump ran and would definitely recommend.
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Great pump By Daniel on 8/4/12
Daniel would recommend this product to a friend
I will for now on only buy Cobalt pump for my pump needs. I cant even hear this thing running and its definitely running great product.