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What temperature will my grow space get and how much ventilation will I need?
Return Back To OnlinePot’s Grow Guides Side Note: If you are adding "CO2 Enrichment" To Your Marijuana Grow Room,
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Overheating is a common problem encountered by growers, especially in closet or ‘box’ setups. High temperatures cause whispy buds and is often a sign of inadequate ventilation, which brings a whole host of other problems. Whether at the design stage or struggling with an existing problem, the following formula can be useful in assessing your situation. Its pretty basic in terms of heat transfer but from experience has proved to be pretty accurate for our purposes. The formula is: Q = V x P x C x dT where: You can use this to determine what the temperature rise in your space will be (dT), or given a desired temperature rise you can use it to work out how much ventilation you will require (V) To get from CFM to m3/s divide the CFM by 2119. Examples What temperature am I likely to get in my growspace? Q = V x P x C x dT How much ventilation am I likely to need? Q = V x P x C x dT What is the most lighting I can put into my growspace? Q = V x P x C x dT So that’s it, once you get used to using it its very simple really, Just stuff the formula and figures in a spreadsheet and let it do the work. |