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by cwiseman
on 9/26/2011
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The absolute best product I have ever used to control phosphates! Keeps my aquarium sparkling clean. If you ever have a problem with algae, this is a great product to use.
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by morse
on 6/18/2011
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Germanys best designed media that never leeches back into the tank.
Washing it off is a bit of a pain and takes a while. But other than that this works perfect and does not alter the chemistry of the water ever. Lasts for months
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by JFaucher
on 10/14/2009
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Works as advertised, phosphate reduced to zero with in 48 hours and lasts for months. Will most surely be ordering again.
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