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Flushing Plants

flushing cannabis plants

3 Reasons to Flush:

  1. Transitions between feeding and growth cycles
  2. Nutrient lockout
  3. Pre-harvest

Flushing cannabis simply involves running pure water though the soil or medium. When trying to stop a nutrient lockout or when switching nutrients, perform a flush by excessively watering your plants with water that has a pH level between 5.5-6.5 (for hydroponics) or 6.0-6.8 (for soil). Fully saturate your pots, and repeat 15 minutes later. The flush should clear any blockage and make room for your new feeding schedule.