I run a ati sp 8lamp. 2lamps come on at 430, the other 6 lamps come on at 445. 6lamps turn off at 1130, the other 2lamps turn of at 1145. Approx 7 hrs. KZ Super blue x6, kz fijipink x2. Roughly 10" from water surface. Planning on replacing them 10-12month.
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