Nutrient pH up during flower

Discussion in 'Growing Marijuana Indoors' started by WeedGrowsOnTrees, Jul 3, 2019.

  1. I would like to know how I can raise the pH of my nutrient solution without using potassium silicate/Armour Si
    I read that armour si should not be used during flowering.
  2. Potassium Hydroxide. aka PhUP.
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