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#291097 Reply

E. Vinje
Keymaster

Hi Garry –

Apply 12 lbs. Elemental Sulfur per 100 square feet for each one point reduction in soil pH desired. For heavy clay soils increase rate to 15 lbs. Gradual reduction in soil pH is preferred as dramatic reduction can result in stress. If growing in containers, add one Tbsp for each 4-inch of pot diameter.

Hope it helps!