I've been making my own laundry powder (since May 2008) when I got frustrated with the "filler" found in all commercial laundry powder. Filler is hard to dissolve in water and you still can see it sticking to your clothes after washing.
← Left: pure soap flakes and borax
→ Right: sodium carbonate crystal
All you need to make your own eco-friendly laundry powder are:
100 g - 125 g of pure soap flakes,
100 g of borax
100 g of lectric soda or sodium carbonate powder/crystal
Mix them together and there you've got your own 100% active ingredients laundry powder. It is easy and very cost effective.
Use about 2 to 3 tablespoons of powder per load of washing.
The functions of borax are to remove stain, and it's a natural deodoriser.
The function of sodium carbonate is as a water softener, to lock up calcium and magnesium from the water that would otherwise combine with the soap and form an insoluble scum that would stick to the clothes.
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