How do I Use Household Ammonia As Fertilizer?


Chemical fertilizers can become expensive over time. You can actually keep your lawn healthy and green for less by simply making your own fertilizer. Your homemade fertilizer should contain ammonia. According to Online Tips, ammonia breaks down into nitrates that feed your lawn. You will need to feed your lawn this fertilizer once every three weeks during the growing season.

Things You'll Need

  • Garden sprayer
  • 1 cup ammonia
  • 8 oz. beer
  • 8 oz. soda
  • 1/2 cup liquid dish soap
  • 1 cup Epsom salts
  • 1 cup water
  • 1/2 cup mouthwash
  • Pour 1 cup of ammonia, 8 oz. of regular beer, 8 oz. of regular soda, 1/2 cup of liquid dish soap, 1 cup of Epsom salts, 1 cup of water, and 1/2 cup mouthwash directly into your garden sprayer.

  • Place the lid on the garden sprayer and give it a shake to combine the ingredients.

  • Pump the garden sprayer and aim the wand at the area you want to fertilize. Spray from left to right, beginning at the back of the area you want to fertilize, and work your way toward the front. Applying the fertilizer systematically like this will ensure you don't miss any spots.

Tips & Warnings

  • Make sure the area you fertilize is wet, but not so wet that it is soaked.
  • This recipe will cover between 400 and 600 sq. ft. of lawn.
  • Use any leftover homemade ammonia fertilizer on your indoor plants.

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  • Photo Credit fig on a rock image by Brett Mulcahy from
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