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Blossom End Rot Fix: Gypsum (Sheetrock) for Calcium

Blossom end rot = calcium deficiency. Pulverize gypsum drywall (Sheetrock) scraps, sprinkle 2 Tbsp per plant. Gypsum = calcium sulfate. Don't use Epsom salt (magnesium competes with calcium).

About Gardening: Blossom End Rot vs. Blight: Why Your Tomatoes Rot at the Bottom and How to Fix It; Blossom End Rot on Tomatoes: Causes and Organic Prevention; Choosing the Right Fertilizer for Container Tomatoes; Preventing Blossom End Rot on Peppers with Epsom Salts; Fixing Blossom End Rot in Container-Grown Tomatoes; Tomatoes Falling Off Before Ripening: Water and Calcium Management; Best Fertilizer for Tomatoes with Fruit Rot: Calcium and Phosphorus Focus; Lime for Tomatoes: Hydrated vs. Garden Lime—Know the Difference; Mulching Tomatoes with Sawdust: Avoid Walnut; Using Lime and Gypsum When Planting Tomatoes

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