pH problem

Discussion in 'Growing Marijuana Indoors' started by NiFty, Jun 12, 2003.

  1. Hi

    I tested the soil pH today and it's gone down to 5.5. I think that might be why the leaves on my plants are going a bit blotchy.

    I can't find anything in the grow-shops for dealing with this.
    Can anyone recommend a way of raising it a bit. Maybe a weak solution of milk of magnesia or some other alkaline solution?

    Please help!
     
  2. There are several additives you can add to water to adjust PH levels. General Hydroponics makes a solution and a powder called Liquid pH Adjusters or powdered pH control. Also Rockwool Formular One pH shifter.

    Good luck,

    Greenbudz
     
  3. Sounds like salts are building up in your soil. If I were you, I would give it only water for a week and see if that helps.
     

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