I have 3 AI hydra 26s and 1 AI hydra 32 over a 8foot long tank that is 2 feet deep and 2 feet wide. Tank is lps dominant but I have some sps and would like more. Right now I have the lights 5.5 inches above water. There is no light spilling outside the tank. To low?
If you dont have a PAR meter...Id definitely highly recommend the BRS Lighting videos 8 days a week!!! I have found their extensive work takes a lot of the guess work out of the equation and gives you the right amount of PAR and spread where you need it!
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