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how much light is to much
my current light setup is just about to die so befor it dose im gunna get a new one. atm i have all soft corals sutch as hairy mushrooms regular mushroom corals zoas and a leather coral. i have a standard 55g long tank with a 5 inch sand bed. curently i have only 1 10k 54w t5 bulb running as its the only spot that will turn on. i wana upgrade to Odyssea Metal Halide System or Odyssea 48 inch Metal Halide Fixture 2x250W HQI + 4x54W T5 +6xDual LED . im leaning more twords the 716w as id like to start keeping sps but i know that the 608 should be enough. ok so what do you guys think and im aware my softies will shrivel for a bit while they adjust to the more light. im planning on placeing the order by monday so anything feedback will be considerd =)
so your gonna go from a 54 watt T5 to 600+watts hetal halides???..you will suffer from lighting shock,tissue retracting,and possible bleaching..i would at the least start fo not usuing the halides just the T-5s..then running the halides for a set number of hours gradualy bringing it up to your standard photoperiod.
i suppose it depends on the coral..most will not ...many of the true green and yellow sarcophytons will adapt..and some sinularia..i have a couple lobophytons under a halide as well but it is not nearly as open as the others i have under T-5 or PCs.well i suppose from the sounds of it you are gonna find out..
One question though. What size tank are these going over? 4 Watts per gallon on the low end of lighting. I would think 10watt per gallon would keep you in the green with anything you wanted. More, and I would say your wasting your money onthe energy. If you going that high, ever thought of using LED's?
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