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- Oct 23, 2018
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Hi everyone! I have tested my light over my reef jars at its current position and it is providing PAR at the high 130's at the sand bed. For LPS and soft corals, would a 12 hour photoperiod work for these jars, or should I reduce the photoperiod/dim the lights? (The lights are currently off as the tank matures but will be turned on when I add corals). Thank you!