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Originally Posted by Alex9421
DaveK have you read any posts regarding decreasing the photoperiod in tanks running bare bottom. I was reading posts regarding sps tanks and photoperiod and some reefers that run bare bottom and maintain very low nutrients only run their halide lamps about 5-6 hours maybe less and if they run them any longer would have bleaching. Sounds interesting as big hydro bills suck and you would have less temperature issues as well. I know that the nitrates for example have an inhibitory affect on calcification but can be overcome by keeping an elevated KH. How would nutrients and lighting tie together?
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I have not seen any specific information on using MHs only 5-6 hours. If you have some links I'd like to see them. Thanks. I have some thoughs on this, but I'd like to read what they have to say first.