Propane: 20lbs for $13.75 or $2.95 by the Gallon

Bonide Rot Stop 32 Oz. Ready To Use Trigger Spray Blossom End Rot Preventer

Bonide

Corrects calcium deficiency. Controls blossom end rot on tomatoes and other vegetables. Apply to developing fruit and foliage after periods of heavy rain or rapid growth. Nutritional calcium: 1.6%.