Hello.
I have 120cmx120cmx200cm grow tent, how big extractor fan do i need?
Now i have 125mm cooltube with old 120mm extractor fan (20w; 200m3/h) but its too noisy and theres abit heating problem so i want a new system.
So question is how much m3/h fan do i need for optimal air flow?
Bulbs are 400w metal halide during veg and planned 600w dual spectrum hps for flower.
I have 120cmx120cmx200cm grow tent, how big extractor fan do i need?
Now i have 125mm cooltube with old 120mm extractor fan (20w; 200m3/h) but its too noisy and theres abit heating problem so i want a new system.
So question is how much m3/h fan do i need for optimal air flow?
Bulbs are 400w metal halide during veg and planned 600w dual spectrum hps for flower.