Espoma Organic Soil Acidifier is the most effective soil acidifier available. Containing all natural minerals it corrects the problem of alkaline soil by lowering soil ph. Many gardeners use it specifically to make their Hydrangeas and blueberries bluer. All natural and pelletized, Espoma Soil Acidifier is safer than aluminum sulfate due to potential toxic levels of Aluminum with continued use.
- Lowers pH to optimum range
- All Natural; Approved for organic gardening
- Also use for blueberries and hydrangeas