aluminum sulfate

  1. Pistol95

    pH too high, any help?

    I'm growing a lambs breath autoflower in a 5 gallon smart pot and my medium is Sunshine Mix #4 with organic dry nutes pre mixed into the medium. After it started to flower I top dressed it with power bloom and a week or so after that I top coated it with worm castings. I finally got my digital...
    • Pistol95
    • Thread
    • aluminum sulfate deficiencies organic organic fertilizer ph adjustment ph down sulphate
    • Replies: 6
    • Forum: New Growers Forum (Q&A)
  2. Muddy

    Grow Mediums Pro Mix HP Update

    I've been growing with Pro Mix HP for years now with excellent results. Recently I've noticed a change in their mix. Previously I've been adding Aluminum Sulfate at the rate of 3 grams per gallon to my mix to lower the starting pH of the Pro Mix. I had a grow where my soil pH was dropping...
    • Muddy
    • Thread
    • aluminum sulfate pro mix hp soil ph
    • Replies: 0
    • Forum: Archives
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