Overwatering, magnesium sulfate deficiency, too many different things in the potting soil, just use potting soil only works for me do not overwater, fish kelp is good, along with Epsom salt water, not sprinkling on soil, drench with Epsom salt water 1 tablespoon to 1 gallon water. Place in adequate sunlight spot. Do not over fertilized!
Acetylsalicylic acid is aspirin. This could be handy too:
GAMCOD 2025: 200 square feet; Zero degrees F or colder; calories cheap and easy