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Espoma Soil Acidifier For Hydrangeas and Blueberries Turns hydrangeas blue. Lowers the pH of soils for optimum growth of acid-loving plants. Derived from Elemental Sulfur & Gypsum. Great for blueberries. Safer than Aluminum Sulfate*. Available in 6# & 30# bag
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🇺🇸 Ship from USA · On Agora since 2026
$13.99