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What should my Ph be?

Discussion in 'General Marijuana Growing' started by breakneck, Aug 8, 2009.


    breakneck Calyx LED

    I have heard soo many conflicting numbers when it comes to Ph.

    My soil Ph right now is ~7.5

    This is too Alkaline, correct? I have a water/nute mix that is Ph 5.5 is that where it should be?

    +rep for help
    Go Go Ganja!

    Go Go Ganja! Well-Known Member

    for soil your ph should be around 6.5 to 7.0 yes 7.5 is a little to high but shouldnt cause any problems if you get down soon.
    breakneck likes this.

    breakneck Calyx LED

    Will this water Ph 5.5 be too hard for the plant? What should I water it with?

    ilovetree Member

    mine is like 6.5 and my gals are looking great ..just dont exceed 7.5 or 8 for to long and u should be fine
    breakneck likes this.

    breakneck Calyx LED

    Cool thanks.

    NoDrama Well-Known Member

    For soil you want a bit acidic, 6-6.8 is ideal. You probably hear alot about Hydroponics grows too, well they like it even more acidic 5.5-5.8. Soil is in no way Hydroponics, so just stick with 6-6.8. You can water with a slightly more acid water than soil, such as 5.5 and it should be ok as long as you aren't introducing too many salts to get the PH down. You can experiment with certain soil amenities to give you a good PH reading. Sphagnum moss will decrease PH.
    breakneck likes this.

    breakneck Calyx LED

    Perfect. That's everything I need to know! Thanks man!

    Knocked it down to about 6.4-6.6

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