Kainit

A more readily available soluble source of potash than rock phosphate this natural product is used in horticulture and agriculture, supplying magnesium (10-12%) also. Ideal for use on tomatoes, vegetables and fruit trees which have a high demand for these two essential plant foods.

Potassium Oxide 13% (K20) (K 10.8%) Magnesium Oxide 6% (Mg) (Mg 3.6%) Natural source of Potash and Magnesium