Schaefer Versa-Kool Circulation Fan 12 in w/ Tapered Guards, Cord + Mount - 1470 CFM Magnesium Sulfate Our offering includes various sizes

Our offering includes various sizes to meet your specific needs:

including photosynthesis

and this is the right cord variant

Power-free operation: Runs on gravity pressure with no pump

You would need to know your water content (how much water there is in your soil) to perform that calculation

Schaefer Versa-Kool Circulation Fan 12 in w/ Tapered Guards, Cord + Mount - 1470 CFM Magnesium Sulfate Our offering includes various sizesSchaefer Versa Kool 12 inch HAF circulation fan at 1470 CFM The Versa Kool 12 inch is a horizontal airflow (HAF) fan that moves 1470 CFM in a coherent, gentle stream. HAF fans set up a racetrack air pattern that mixes a greenhouse from ceiling to floor for even heat and humidity. A deep guard design holds airflow while cutting noise and adding safety around plants and staff. Matched motor and aluminum blades run efficiently for continuous circulation.