Soil Acidifier 6 lb
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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*.
Ingredients: Elemental Sulfur & Gypsum