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  1. MFL

    Carnot: DIY Heat Exchanger/“Air Conditioner” for Sealed Grow Tents

    Hello, I haven’t really introduced myself or my lab yet, but I’m an engineer by trade and a consumer advocate by hobby that’s focusing on scaling down what I learned from the medical grow space to the consumer space in my lab in my basement. Unfortunately and just as consumer growing methods...
  2. MFL

    Fohse/Grow Generation Nightmare "10K"Tent Giveaway

    Hey All, I noticed a few distinct problems regarding to the design and marketing of the Fohse/Grow Generation 10k Grow Tent Sweepstakes along with Fohse Aries light itself in the consumer space and figured it was worth a discussion. 1. While Fohse has seen amazing yields in the consumer...
  3. MFL

    Calculating the cubic feet of cylindrical ducting

    I’m not sure who needs to know this, but if you need to know the volume of air in your intake/exhaust ducting look no further. Here’s an example with a 6” diameter exhaust duct that’s 25’ long. Step 1: take the radius of your duct which is half the diameter, 3 in this case and square it (3x3)...
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