Atmospheric Control »
Drying Cannabis with Dehumidifiers
Q: I’ve heard different opinions about drying cannabis with dehumidifiers. Some say it really helps the drying process and others say “don’t use them, they will ruin your harvest and turn your buds to
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How To Heat and Cool a Grow Box
Q: I built a grow box that measures 2 feet wide x 2 feet deep x 4 feet tall and I need to find a way to regulate the temperature inside. It was originally
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Calculating CO2 Enrichment
Many marijuana growers know that enriching the air in their grow rooms and greenhouses can really affect yield. Operating CO2 generating equipment properly can be a bit tricky, and dangerous if done incorrectly. To
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Heat Management In Grow Rooms
For many indoor marijuana growers, managing heat is a constant uphill battle. Grow rooms use an enormous amount of equipment and electricity to maintain suitable growing conditions for marijuana plants. I have visited grow
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Carbon Dioxide: Fertilizer For The Air
Plant growth is fueled by the production of glucose through photosynthesis. This process requires three components–water, light and carbon dioxide (CO2).  In other articles, we address lighting and watering. Here, the focus is CO2 –specifically,
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Heating Mats and Soil Warming Cables
Do your marijuana seed starts or clones seem sluggish or slow to take off? Are they just not doing their thing? Are you using heating mats? The temperature of the root zone can have
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