Can be caused by:

• Improper PH range
• Nutrient Lockout (flush an reapply nutrients)
• Stressful conditions (VPD)


Organic Solutions:

• Langbeinite 0-0-22 (Amended in the soil or mixed in while watering)
• Kelp Meal
• Glacial Rock Dust (Slow release, requires microbial breakdown)
• Wood Ash (raises pH, stay vigilant)

Inorganic Solutions:

• Potassium Sulfate
• PK Booster supplements



* Affected leaves usually do not recover from damage even after correcting the problem.*