Removes: Harmful organics, toxic ammonia, heavy metals, all forms of phosphates, and medications after treatment.
Can be used in a wet-dry, canister, or conventional filter.
Adds nothing to the water, and changes color as it absorbs pollutants.
Safe for marine or freshwater applications.
A great product, highly recommended by us!
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Good product, works. Review by Sunee
Quality Price Value
I live in an apartment so only use tap water for my aquarium. I use the Poly filter to remove impurities before I mix up my water for a water change. It works. (Posted on 5/12/2016)