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pH Adjusters

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  1. -20%
    GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
  2. -20%
    GroStar pH calibration kit (pH 4/7, 8 oz. each)
  3. -14%
    GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
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pH Adjusters
  1. Bulk Nutrients
  2. Organic Nutrients
  3. Supplements & Additives
  4. Fungal & Bacterial Inoculants
  5. Compost Tea
  6. Nutrient Sets
  7. pH Adjusters
  8. Base Nutrients

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