This is an easy instructable about making a washing powder from egg shell.It can be a powerful and abrasive cleaning powder.You can make this powder by recycling egg shells.You can clean your cloths,wet surface and dishes with it.Please vote me for the contest if you like this instructable
Step 1: Making the Powder
1.Mortar and Pestle
3.Baking Soda or Washing Soda (Optional)
1.At first grind the egg shells into powder with Mortar and pestle.You can dry the egg shell in the sun or in the oven to grind them easily into powder.
2.Then mix some baking soda with it and your cheap and natural washing powder is ready.It will work as detergent
Step 2: How It Works
Egg shells are made of Calcium carbonate (CaCo3).We know that Detergent has two side. they are Hydrophilic and the other is Hydrophobic.Hydrophilic is negative and Hydrophobic is positive.In CaCO3. Calcium's ion is positive and Carbonate(CO3) is negative.So Calcium will work as hydrophobic and Carbonate will work as hydrophilic.So it will work as detergent powder