Whatever you're doing on nutrients... use less, start with 1/2 of what you're currently using. Assuming those are seedlings, they don't need much now and giving them too much will cause what you see vs. making them grow faster. Also, if you have a means of measuring nutrient strength and pH, you should. Knowing what you're putting on your plants is a good and will help you avoid this kind of issue in the future.
Farmer Rich Reviewed by Farmer Rich on . Undefined problem (cry for help) Hello to everyone! My cannabis is just 3 weeks old. About a week ago a problem occurred with my plant. At first, tops of the leaves became turning brown and then dried out. That necrosis slowly spread and the growth (as it seemed) slowed as well. I thought that my plant requires more fertilizers, as I was very careful about applying them. After adding an organic fertilizer (proper solution), just in 3!!! days my plant resumed growth, but leaves become.. well you see. Light: small 6400K Rating: 5