False nutrient deficiencies are a common mistake in cannabis cultivation. Learn what nutrient lockout really is, how pH, VPD, and temperature imitate deficiencies, and why adding fertilizer often makes the problem worse.
LED grow lights expose every mistake in cannabis cultivation. Learn what PPFD and VPD really mean, why LEDs cause stress and false deficiencies, and why old HPS feeding routines no longer work.
Plant not drinking despite wet soil? Learn how transpiration, root oxygen, and LEDs cause overwatering symptoms. Understand the difference between thirst and excess water and save your grow.
Curling cannabis leaves? Learn what taco, claw, and canoe really mean. A beginner-friendly guide to telling environmental stress from nutrient issues â without ruining your grow.
Cal-Mag in cannabis growing without myths: when it is truly needed, when it harms plants, how LEDs and VPD affect calcium and magnesium uptake.
Why cannabis plants do not absorb nutrients: transpiration, roots and nutrient lockouts explained step by step, with practical diagnosis and solutions.
VPD in cannabis cultivation explained simply: how to measure it, correct ranges for veg and flower, a clear VPD table, and how to fix problems step by step.
Integrated Pest Management (IPM) in home cannabis cultivation is a plan for pests before they even show up. Learn how to use product rotations (without spinosad), predatory mites and growroom hygiene, all adapted to European realities.
More and more growers use Cal-Mag when growing under LEDs and with filtered water. But does every plant really need it? Find out when calcium and magnesium supplementation is a lifesaver and when it can do more harm than good.
How to read cannabis leaves in coco, DWC/RDWC, aeroponics, rockwool and other media. pH/EC ranges, the most common symptoms (Ca/Mg, K, FeâŠ), quick fixes and âfalse alarmsâ (root oxygen, solution temperature, spray nozzles). Tables + downloadable charts.
Foxtailing in cannabis: when itâs a light/heat problem vs. just the cultivar. How to stop it in 24â48 h and protect density, flavor, and resin.
Where do hermaphrodites and ânannersâ in flower come from? Most common causes (light leaks, stress, genetics), simple prevention (dark test, timer, T/RH), how to identify on the plant, and a rescue plan: removal, misting, isolation, when to chop and when to finish with minimal seeds.














