whats a genral number of air exchanges for a grow cabinet..if im 4'x4'x5' then its 80 sq. feet..how many time should i exchange the air or would a 80 cfm be enough
whats a genral number of air exchanges for a grow cabinet..if im 4'x4'x5' then its 80 sq. feet..how many time should i exchange the air or would a 80 cfm be enough