where to buy bulk sulfur for 20+ blueberries?
I'm hoping to plant about 20 blueberries in the spring and need to drop the PH of the soil from 7 to 4.5. Where would you look for bigger bags of agricultural sulfur? All I can seem to find is 5 lb bags of Garden Sulfur Soil Acidifier.
What is the correct name for it...agricultural sulfur?