i have tried 96x2 PC for SPS.
Was enough to survive but no color show. HO T5 with Tek reflectors is minimum. .
MH is proven to be excellent for SPS.
If MH is you choice I’d go with 250HQI DE. With good ballast like M80, also good reflector is a KEY.
I think if you go with 175W MH, you’d still have almost same heat issues as with 250W’s and you WILL want to upgrade !.
So 250w and good cooling fans and/or chiller should be in the budget.
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