Quote:
Originally Posted by globaldesigns
As 6 hours of light may be enough, this will all depend on the quality of the fixture, bulbs and age of things... Maybe try increasing it to 8 hours, and give it a month and see what happens, then maybe 10 hours.
I personally use Ushio 10K bulbs for growth with t5HO actinics and have my lights on for 11 hours with no negative impact and the corals seem happy.
Just another suggestion if you feel other areas are ok.
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I'm running PFO Ballasts and reflectors for all three lights. 2 of the bulbs are creeping up on a year old and one is a couple of months old. I started putting corals in when the bulbs were about 2 months old and growth was non existant through the life of the bulbs. I moved all the corals under the bulb that's only a couple of months old when I installed it. No change to date. The two older bulbs are Hamilton's and the newest one is an IceCap