Silica for Cannabis: What the Research Shows
Silica for cannabis explained: what silicon does in plants, what a University of Kentucky hemp trial found on powdery mildew, and what is still unproven.
Cal-Mag for Cannabis: When Growers Use It
Cal-Mag adds calcium and magnesium to a cannabis feed. See what magnesium research shows, why coco growers use it and what to check first.
Garden Lime for Cannabis: Raising Soil pH
Garden lime raises acidic soil pH for outdoor cannabis. Learn why a soil test comes first and how far ahead growers apply it.
How to Calibrate a pH Meter for Growing Cannabis
An uncalibrated pH pen can send you chasing problems that are not there. Learn how to calibrate, store and check a pH meter for your grow.
Salt Buildup in Cannabis Soil: Signs and Fixes
White crust on the pot or soil and burnt leaf tips can point to salt buildup. Learn what causes it in cannabis and how growers leach it out.
Banana Peels For Cannabis Plants: What They Really Add
What banana peels add to cannabis soil, why burying them raw can tie up nitrogen, what banana peel water does, and the better way to use the peels.
Organic vs Synthetic Fertilizer for Cannabis
Compare organic and synthetic fertilizers for cannabis: how each feeds the plant, speed, soil health and which one suits your soil or hydro grow.
Why Is Potassium So Important for Cannabis Plants?
Potassium controls how cannabis takes in water and moves sugars to the buds. Learn what it does at each stage and the signs that levels are off.
Why Is Magnesium So Important for Cannabis Plants?
Magnesium sits at the center of chlorophyll, so cannabis needs it for green leaves and steady growth. Learn its role, sources and how pH affects it.