Cheapest Way to Add CO2 to Grow Tent! (Easy & useful)
During photosynthesis, plants take in carbon dioxide (CO2) from air and water from the soil and give out oxygen as a waste product. In the air, CO2 takes up only 0.04% of the atmosphere, which is less and discourages plants from growing to their full potential. I’d advise you to go for the cheapest way … Read more