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Simple CO2 controller with display and day/night detection
Also known as Horizontal Air Flow (HAF) fans
Epsom Salt and Sulfate of Potash
Duct Opening: 12” | Length: 28" | Airflow Rating: 1668 CFM | Carbon: Australian RC412 at 1200+ IAV | Thickness: 38mm
Gaia Green Greensand Size:Gaia Green Greensand 1.5 kg Simple CO2 controller with displayGAIA GREEN Greensand is mined from ancient, nutrient rich deposits of oceanic sediment. Over time, this sediment developed into glauconite, which is highly effective as a slow release fertilizer used to improve the mineral content of soil and other growing media. Greensand is gentle on plants and wont cause root burn. Greensand is recommended for use on lawns, household plants, golf courses, greenhouses, nurseries, and urban gardens, and is suitable