pH Buffering for DWC

Discussion in 'Growing Marijuana Indoors' started by metrixmaxman, Sep 22, 2009.

  1. I read on another forum that someone used 4 ingredients:

    Phosphoric acid
    Potassium Silicate
    Potassium Carbonate
    Potassium Hydroxide

    but it didn't really explain how. The idea is that you buffer the solution so it requires little adjustment (the poster claims he doesn't have to adjust it for several weeks). He says it takes him a few days to get it dialed in exactly, but afterwards stays in range. Anyone do anything of the sort? I usually have to adjust pH 1-2x a day between my 5 gal resovoirs and 2.5 gal resovoirs, and depending on the age of the plant.

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