What is the best height for Lumen Max 3 HQI Pendants?

SPSFiend

New member
I just purchased 3 Lumen Max 3 HQI DE Pendants and was hoping to hear from those of you have have some experience with these (gcarrol/ swellsurfer?) on what the optimum height is to have these pendants sit over the water line and how far apart from each other they should be. I have 3 of them over a standard 180G (6ft long).

I installed them on a temporary canopy until I finish builiding the canopy to match the stand I built, and they are sitting roughly 5 inches over the water. This is way too close I know, but what is the best height to get opitimum par through into the tank with no shadows?

I imagine higher up = more spread and less shadows. But I want to make sure and get the most PAR into the tank.

I appreciate your adice in in advance!!
 
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