I never have to drain the main display for waterchanges only the sump, therefore the corals remain in water but I find large water changes good for certain corals ie softies but not too well for sps anyone agree?
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Always looking for the next best coral...
90g starphire cube/400mhRadium20k/2 XHO/2x27w UV/2x39w T5/ 3 Trulumen led strips
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