Quote:
Originally Posted by Antegon
Do y’all think I could get away with only two primes and 4 T5s, or a Prime and a hydra, instead of three primes, on a 4’ (20ish deep) 75g?
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Yeah, 4 bulbs by itself will do well enough on a 75 G mixed reef (6 bulbs are good for anything). Consider the AI's to be supplemental to the T-5 in this case.
You may want to cut a hole in the top of the canopy or get some exhaust fans in there to keep the LED's from overheating if they are going to be mounted enclosed.