To make this septic-safe detergent, you'll need two cups of sodium carbonate, two cups of sodium percarbonate, and one cup of sodium citrate. If these ingredients are hard to find locally ...

Washing Soda is sodium carbonate containing 10 molecules of water of crystallisation. So, we can say that washing soda is sodium carbonate decahydrate (Na 2 CO 3.10H 2 O). The sodium carbonate ...