Combining these chemicals produces a harmful gas. The drain is blocked. You pour drain cleaner down the pipes to unclog it. Then, nothing seems to happen so you pour bleach down the drain ...

Medically reviewed by Kimberly Brown, MD When bleach gets on skin it can cause irritation and even bleach burn, which is a ...

You pour drain cleaner down the pipes to unclog it. Then, nothing seems to happen so you pour bleach down the drain, too. The more chemicals, the better for removing the blockage, right?