*Soda Ash* `Na2CO3`
aka *Sodium Carbonate, Washing Soda, E500*
It's an alkaline white powder/granule. Think of it as the "workhorse chemical" for cleaning, water, and industry.
# *1. The 2 Main Grades*
**Grade** **Form** **Purity** **Best For**
**Light Soda Ash** Fine powder 99.2% Detergent, chemicals, fast dissolving
**Dense Soda Ash** Coarse granules 99.2% Glass, water treatment. Less dust
Food Grade also exists - labeled *E500* or *Food Grade Sodium Carbonate*
# *2. Top Uses in Nigeria/Lagos*
1. *Detergent & Soap Making*
Softens hard water so soap lathers better. Main ingredient in Omo, bar soap, liquid soap. Removes grease.
2. *Water Treatment*
Raises pH and removes hardness from borehole/tank water. Used by water factories and sachet water producers.
3. *Glass Industry*