After dissolving a half cup of sodium carbonate in a gallon of water, use a rag to wipe away the dirt and dust. For a deeper clean, double the amount of crystals and fill the tub with water so ...

Soda crystals, Pozniak shared, is "sodium carbonate, which is highly alkaline and helps to increase the pH of the wash water." As for borax, Pozniak explained that it is essentially a water softener.

"These crystals tell us how liquid water disappeared ... harbor subsurface oceans or liquid reservoirs. They expect sodium carbonate and halite will be found in surface deposits on Ceres, in ...