What do i need to raise and lower PH?

Discussion in 'First Time Marijuana Growers' started by noxilius, Jan 12, 2010.

  1. What do i need to raise and lower PH?
    Please put links to what i need to buy if you can :eek:
     
  2. #4 noxilius, Jan 12, 2010
    Last edited by a moderator: Jan 12, 2010
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