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Bonide Rot-Stop Tomato Blossom End Rot, 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors

18% off — $8.99 — at Amazon

TagsAmazon Prepping Lawn & Garden Preparedness

$8.99$10.9918% OFF

Price as of August 7, 2026 at 2:18 PM

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
EASY TO APPLY - Product instantly mixes with water and should be applied using either a hose-end sprayer or tank sprayer. Simply spray foliage to the point of run-off. Make sure to carefully read and use according to label directions.
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.

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Bonide Rot-Stop Tomato Blossom End Rot, 16 oz Concentrated Liquid Garden Fertilizer for Calcium Deficiency Indoors & Outdoors

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
EASY TO APPLY - Product instantly mixes with water and should be applied using either a hose-end sprayer or tank sprayer. Simply spray foliage to the point of run-off. Make sure to carefully read and use according to label directions.
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.

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