What is PH Nutrient Lockout in Cannabis?
PH nutrient lockout occurs when cannabis plants cannot absorb certain nutrients due to extreme pH levels in the soil. This guide will help you identify, prevent, and resolve nutrient lockout issues.
Identifying Nutrient Lockout
Nutrient lockout can be identified by the following symptoms:
- Yellowing leaves
- Lack of new growth
- Wilting despite proper watering
Preventing Nutrient Lockout
Prevention involves maintaining a proper pH level. Ideal pH for cannabis is between 5.5 and 6.5.
Fixing Nutrient Lockout
To fix nutrient lockout, adjust the pH using pH up or down solutions. After adjusting pH, flush the system with clean water.