Use regular strength – 6 percent – bleach for the bath. Do not use concentrated bleach. Use a measuring cup or measuring spoon to add the bleach to the bath. Adding too much bleach to the bath can ...

Solutions of bleach (10 mL) are added simultaneously to two of the beakers, reserving the third as a control: The more concentrated solution contains 2 mL of bleach in 10 mL of solution. The dilute ...