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More about filter media surface area - are they what they seem to be ?
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23-02-2012, 05:15 PM
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John
Arofanatic
Join Date: Dec 2011
Posts: 167
not paid by Seachem for this of course.
But i think by the evidences it provide, it is a solid product.
they are available in 4L buckets and the price is not more expensive than Substrate Pro.
John
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