The Definitive Guide to filter media

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This can be a perplexing matter due to the fact you can find basically numerous products marketed as “aquarium filter medium,” and lots of of these appear to have nothing in prevalent with each other. They begin to stop working whenever you rinse them, and I discovered bits of charcoal http://filter-media54284.spintheblog.com/9865976/fascination-about-filter-media


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