CORRECTS CALCIUM DEFICIENCY - Our garden fertilizer is used to control blossom end rot on tomatoes by adding calcium to the plant. CONTAINS NUTRITIONAL CALCIUM - Plant food that uses nutritional calcium derived from calcium chloride as the main active ingredient. MULTIPLE USES - Rot Stop is also effective at correcting calcium deficiencies for cucumbers, melons, and peppers. Note: Printed date on the product is Manufactured Date lot not expiration date FOLIAR FERTILIZATION - Intended as a supplement to a regular fertilization program and may not, by itself, provide all the nutrients normally required by crops or other intended plants. Correct calcium deficiency Controls blossom end rot on tomatoes and other vegetables.