Sodium carbonate, also called washing soda, has a strong degreasing power and is a great water softener. Its used throughout the house for laundry, dish-washing, house-cleaning and DIY projects. Its most common use is as a laundry detergent optimizer for hard water. Osmose Sodium carbonate if very useful for the maintenance of washable diapers and heavily stained laundry.


  • Softens hard water.
  • Non-toxic
  • Vegan, cruelty free
  • Septic system safe



To remove petroleum products :

Dilute 75 ml in 4 liters of hot water and let soak for 24 hours, then wash.


To wash cloth diapers :

Let the clean diapers soak for 48 hours in a mix of 20 liters of hot water, 250 ml of sodium carbonate, and a few drops of dishwashing soap. This will remove the lime and soap residues.

Osmose - Sodium Carbonate

Mason Jar Deposit

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