What need to know for a 90cm*90cm grow space???
Elaborate your question please, what do you want to know?
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Need to know height to calculate cubic feet…then you can look into fans for air in and out. Good place to start.
Bust out the abacus…
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What do you want to know if you are growing for a 90cm*90cm space ?
Q: Which Mars Hydro light can fit in a 3*3ft grow space very well?
A: TSW2000 Ă— 1
Mars Hydro TSW 2000 unboxing and first impressions