Hey guys i put another penguin 350 on my tank now i have 2 and also running 2 powerheads, just wondering if i should still be doing my 25% WC a week or should i do less now, i have 4 p's in a 75g
Penguin
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I would do the wc still. nitrates will still be in your tanks and the nutrients used by your fish will not be replaced by your filters.