E. B. Stone Sul Po Mag is a naturally occurring crystalline material, known as langbenite. It is an excellent source of readily available sulfur, potassium and magnesium. Contains Sulfate of Potash Magnesia. Try supplementing your rose feeding with our Alfalfa Meal. It Works!
Features
- A naturally occurring crystalline material, known as langbenite
- It is an excellent source of readily available sulfur, potassium and magnesium.
- Contains Sulfate of Potash Magnesia.
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