Atmospheric Control »

Drying Cannabis with Dehumidifiers

Drying Cannabis with Dehumidifiers

Brandon November 21, 2016 2

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

How To Heat and Cool a Grow Box

Brandon November 16, 2016 2

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

Calculating CO2 Enrichment

John January 20, 2015 3

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

Heat Management In Grow Rooms

John December 31, 2011 19

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

Carbon Dioxide: Fertilizer For The Air

John December 31, 2011 10

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

Heating Mats and Soil Warming Cables

Brandon November 26, 2011 Comments Off on 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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