Air Conditioning a Grow Room: Portable vs Mini Split
Air conditioning a grow room means a room unit or a mini split. Compare cost, noise and humidity control before sizing it to the heat your lights add.
Humidifiers for Grow Tents: Sizing and Placement
A humidifier for a grow tent works best when it is matched to how dry the air gets and placed so mist never lands on leaves. Learn sizing and setup.
Drying Cannabis in a Grow Tent: Setup, Airflow and Timing
Drying cannabis in a grow tent works with the light off, gentle airflow and humidity near 55 percent. Learn the setup, fan placement and dry times.
Grow Light Watts per Square Foot for Cannabis Tents
Watts per square foot is a quick way to size a grow light to a space, but it only measures
Light Bleaching Cannabis: Why Top Buds Turn White
Light bleaching is when the buds and leaves closest to a grow light turn white or pale yellow. It happens
Cannabis Seedling Light Schedule: How Many Hours?
A cannabis seedling light schedule is the number of hours the grow light stays on each day while photoperiod seedlings
UV Light for Cannabis: Does UV-B Raise THC?
UV light cannabis research: what a University of Guelph trial found when it added UV-B to indoor plants, and why it saw no useful gain in yield or THC.
LED Light Distance for Cannabis: Set It by Intensity
LED light distance cannabis guide: why the right height depends on canopy PPFD, not a fixed number of inches, and what research found on light and yield.
Inline Fan Size for a Grow Tent: How to Work Out CFM
Inline fan size grow tent guide: multiply length, width and height for tent volume, then size the exhaust for about one air exchange per minute.