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By stretching a harmless electric wire
the Fluval U2 offers powerful and economical filtration
helping to convert toxic substances into safer forms for fish and pond wildlife
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Seachem DeNitrate 1000ml Bio Filter Media Popular By stretching a harmless electricSeachem DeNitrate 1000ml 137 is a highly effective filtration media designed to optimise the denitrification process in aquatic environments. This natural and porous material facilitates both aerobic nitrification on its surface and anaerobic denitrification at its core. Its structure supports a high density of beneficial bacteria and is an excellent addition to any filtration system. Its design is similar to natural "live" rocks and reef rocks, where