Borax (also called sodium tetraborate) is a naturally occurring mineral that became a cleaning staple in the late 1800s.

This old-fashioned, all-natural detergent booster can be safe for some applications. Fact checked by Marcus Reeves Decades ago, a box of borax could be found in laundry rooms across the country ...

1. Place 1 tablespoon of water in a small plastic cup. Add ¼ teaspoon of borax. Mix until as much borax dissolves as possible. This is your borax solution. If you would like your slime to be a certain ...