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Grow tent electrical safety and keeping light out
Keep power strips off the floor, give cords drip loops, don't overload a circuit, and check for light leaks during the dark…
How to tell male from female plants, and what to do about hermaphrodites
Check the nodes where branches meet the stem for female flowers or pollen sacs. If you're growing unseeded flower, keep pollen-producing plants…
Cal-Mag and magnesium: when you need them
You're most likely to need extra calcium and magnesium if you use RO or very soft water, or grow in coco. Calcium…
Hydroponic systems compared
Hydroponic systems supply nutrients through water, with or without a supporting growing medium. Compare how each system delivers water and oxygen, how…
Plants too tall for the tent, and what to do about a broken branch
If a plant is too close to the light, gently reposition shoots, or dim or raise the fixture within its safety limits.…
The flowering stage, week by week
Stretch, bud building and ripening provide a useful map of flowering, but their timing varies by cultivar and conditions. Use the example…
How to water cannabis, and how to tell too much from too little
In soil, water thoroughly, then wait until the pot feels noticeably lighter before watering again. Coco gets watered more often. Drooping can…
Plant food basics: what N, P and K do and how much you need
Use a balanced nutrient program matched to your medium and water. Studies show both shortages and excess can hurt growth. The elemental…
EC, PPM and the pour-through test
EC tracks dissolved ions, including salts already in your water; it does not show the balance of individual nutrients. Many meters estimate…
LED grow lights explained in plain English
Compare grow lights by the light reaching the canopy (PPFD), coverage and efficiency—not marketing “equivalent watts.” More light increased yield under the…