Dishwashing
Recommended detergent amounts based on water hardness
Water hardness
Soft
(0-3 grains per gallon)
Medium
(4-8 grains per gallon)
Hard
(9+ grains*)
*12 grains and higher is extremely hard water.
16
Detergent amounts
Prewash 1 teaspoon
Main wash 1 to 1-1/2 tablespoons
Prewash 1 teaspoon
Main wash 1 to 2 tablespoons
Prewash 1 teaspoon
Main wash 2 to 3 tablespoons
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