Cleaning and Laundry

Dishwasher Detergent Powder

Make homemade dishwasher detergent with baking soda, washing soda, borax, kosher salt and citric acid. Use one tablespoon per load.

Dishwasher detergent powder

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Baking soda, washing soda, borax, kosher salt and citric acid. Use one tablespoon per load.
Prep Time10 minutes
Total Time10 minutes
CourseDIY
Servings4 cups

What You’ll Need
  

  • 2 cups baking soda
  • 1/2 cup washing soda
  • 1 cup borax
  • 1/4 cup kosher salt (coarse salt)
  • 1/4 cup citric acid (or 2 envelopes unsweetened lemonade-flavored drink mix)
  • 15 drops lemon essential oil

Equipment

  • mixing bowl
  • airtight jar

Directions
 

  1. Put all the ingredients into an airtight container.
  2. Stir or shake to blend well.
  3. Keep airtight; in humid climates, tuck in a silica gel packet to stop clumping.

Notes

1-2 tablespoons in the detergent cup; set a shallow dish of white vinegar on the top rack to help prevent spots; run as usual. Adjust for water hardness (with very hard water, add the citric acid separately or use vinegar). A mason jar with a pour spout works well.
Safety: wear gloves; keep away from kids and pets and label it — borax, washing soda and citric acid are harmful if swallowed and irritate eyes and skin. Keep silica packets away from kids. Homemade powders can etch glassware or void some dishwasher warranties; test first.