Lighting/sps Q

[Proteus]

Originally Posted by duncangweller

I'm glad you posted as I was trying to find the other thread about two photo periods and was curious of the results.

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From my experience to corals did very well. I had great PE and they really colored up.
I did alot of reading on the blackout time and could not find anything about extended dark periods. Although coral does need a dark photoperiod 4/6 hours is plenty. And photo saturation happens in a limited time depending on intensity. So in theory simulating 2 days in one should increase growth not adding 1 full year but more like 1.5 simulated years to 1 actual years. This should also allow for more intensity during lights on period to archive photo saturation

I just don't want to shock the corals with 2 different colors