How do I adjust the pH in chemical solutions?
Added by: MisterIto
Last edited by: MisterIto Viewed: 381 times
Rated by 2 users: 5.00/10
To lower ph:
use nitric acid during vegetative; phosphoric acid during flowering.
To raise ph:
use potassium hydroxide or potassium silicate, which also provides silicon.
Last modified: 00:30 - Nov 28, 2000
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faq:398 "How do I adjust the pH in chemical solutions?"