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  1. Nutball

    Battery acid to lower soil pH

    Gypsum is bad? I thought it was a common soil amendment to help with water penetration, so that fertilizer can soak in better and seeds can take root more easily. A week ago I added just a little bit of cleaning vinegar to a watering can with miracle grow to water someslow growing yellowish...
  2. Nutball

    Battery acid to lower soil pH

    I don't know what acid is found in car batteries, but it starts out as sulfuric acid available in plastic bottles for filling new batteries. Maybe they should have used a fresh acidic mulch like oak, mixed with coarse sulfur pellets. Cleaning vinegar could have been used as a substitute for...
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