hmm mabey thats my prob too. 1x400w halide and 2x65w comp and 2x65w actinic compacts.72 gal tank with 7 small-med fish and softies.very little nutrience gets in with 6 stage reverse osmosis di water system on well water too.feed every 2-3 days only.everything healthy except xenia???anthelia and too much gha.all perameters check good.lights 5 months old although they were cheap on ebay,mabey crappy bulbs out of spec already???
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