4 ms·

In addition to the reason mentioned above; in case you put too much bleach. in case an item is leaking a dye.

• freehunter 13y ago
  With bleach, it seems like by the time you notice it, it's probably too late. It's likely already saturated your clothes.
  • aestra 13y ago
    Yeah, it's too late even before it starts to discolor your clothes. Source: Experience. :(