How many xr30 g3 pro???

[newbreefer316]

Looking to cover a 48x24x18 90g sps tank and I will be adding 4 t5 bulbs to supplement.

Should I go with 2 or 3?

 

[tdileo]

If you can afford 3, that’s would be incredible. Two is completely fine though, even without the T5 supplement.