If increasing acidity is desired you could try adding some diluted battery acid to your soil Blueberries and Battery Acid Adventures
However, consider availability of the nutrients you want to add at a lower pH if considering an adjustment.
If increasing acidity is desired you could try adding some diluted battery acid to your soil Blueberries and Battery Acid Adventures
However, consider availability of the nutrients you want to add at a lower pH if considering an adjustment.