Potassium Bicarbonate | Mail Order Seeds and Plants : Vegetables, Fruits, Flowers

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Potassium Bicarbonate

A spray to fight powdery mildew, blackspot and downy mildew on a range of plants including fruit, roses, courgettes and cucumbers. Use when disease is detected, as an eradicant, not as a preventative. Dilute one teaspoon per litre of water and spray weekly. Active Ingredient: Potassium Bicarbonate. Image shows powdery mildew on cucumber leaves.

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