Soda Ash Dense ( Na2CO3) is a sodium salt of carbonic acid that is easily soluble in water. Pure sodium carbonate is white. It can be used as a water softener in washing clothes. It collides with magnesium and calcium ions in the water and prevents it from binding to the detergent being used. Sodium carbonate can be used to remove oil, oil, and wine rust.
for swimming pools
to raise the pH of the pool water, precipitate dirt to keep the water pool clean