T5ho par

[Rmckoy]

Just googled par required to grow acropora under t5ho bulbs .
the answer was 750

I know I haven’t had issues growing anything and without a par meter , I can still almost guarantee I don’t have 750 par 6” below water level .

8 48” bulbs mounted 5-6” above water

 

[A. grandis]

You are still looking for PAR numbers when you can grow any coral under T5s with the right application?
There is absolutely no need to worry about PAR numbers using T5s for aquariums up to ~24" deep. Just get the fixture to cover the surface area of the system and that's it and limit your low PAR bulbs. At least half of Blue Plus bulbs will already give you good juice!