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#1
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![]() usually see units with more pre-filtering, got me wonder how much is needed to maintain the life of the membrane
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#2
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![]() what is usually done for pre-filtering?
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Fluval Osaka 41g sumpless tank, 250w MH + 130W PC , DIY HOB refugium, Tunze 9002, Koralia 2, Koralia Nano Toad Stool Colt Coral Purple Shrooms Red Shrooms Candy Cane Coral Hammer Coral Moon Coral Copper Banded Shrimp..and growing |