How to make a smelly jelly air freshener

Written by marcy valenzuela
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How to make a smelly jelly air freshener
Have fun experimenting with different fragrance oils when making your Smelly Jelly air fresheners. (Polka Dot Images/Polka Dot/Getty Images)

Smelly Jelly air fresheners are a great craft project for anyone who enjoys a little aromatherapy. They can be made in a variety of long-lasting scents and colours. The Smelly Jelly air freshener jars can be attractively customised for any occasion. Smelly Jellies don't require burning so they are ideal for all spaces including homes, offices and cars.

Skill level:

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Things you need

  • Measuring spoons
  • Non-metal spoons
  • Glass measuring cup
  • 236ml. glass jar with lid
  • 177ml. distilled water
  • 1 tsp. Smelly Jelly crystals
  • Food colouring
  • 1 tsp fragrance oil

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    How to Make a Smelly Jelly Air Freshener

  1. 1

    Wash and dry the glass jar. It does not need to be new, but it must be clean.

    How to make a smelly jelly air freshener
    New or used glass jars can be used to make Smelly Jelly air fresheners. (Hemera Technologies/ Images)
  2. 2

    Pour 177ml. of water into the glass jar and add 1 tsp of the gel crystals. Stir the crystals several times in the jar with the non-metal spoon.

  3. 3

    Add the food colouring. One to two drops may be used for a lighter colour and subsequent drops can be added until the desired colour is achieved. Stir the food colouring several times in the jar with the non-metal spoon. (Ref. 2)

  4. 4

    Add 1 tsp of the fragrance oil and stir with the non-metal spoon until thoroughly mixed. If a heavier fragrance is desired, an extra teaspoon may be added.

  5. 5

    Allow the Smelly Jelly to sit, uncovered, for approximately one hour so the gel crystals can absorb the liquid. A lid may be placed on the jar after an hour if the Smelly Jelly is a gift or the jar may be used immediately by leaving it uncovered.

Tips and warnings

  • One teaspoon of alcohol (rubbing, Everclear, gin or vodka) can be added to the Smelly Jelly once every three months to prevent moulding.
  • Gel crystals can be reused approximately four times. Simply add 3/4 cup of water to the dry crystals and reapply the fragrance oil.
  • Never empty gel crystals down a drain. The crystals absorb water and will cause damage to the drainage system.

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