How to Use Bleach to Unclog Drains

Unclog your drains with bleach and a plunger.

Whether you have a clogged kitchen sink from food residue or a clogged tub drain from dirt and other elements that get rinsed down the drain, you want to use something that breaks up the residue quickly. Bleach works perfectly to disinfect the drain and break up clogs, but it should not be used with a septic system; it can kill beneficial bacteria needed for the septic system to function properly.

Things You'll Need

• Bleach
• Boiling water
• Eye protection
• Plunger
• Plumber's snake

Instructions

1. Pour 1/2 cup of bleach down your drain opening and let sit for about 15 minutes.

2. Pour 2 qts. of boiling water down the drain to rinse away the residue.

3. Don eye protection and plunge the drain with about 10 powerful up-and-down plunges to break up any leftover residue. Flush the drain with hot water and see if water is draining properly.

4. Push a plumber's snake through the drain for heavier buildup. Push the snake down until you hit the blockage, then push back and forth vigorously to break up the blockage. Flush the drain with hot water.

5. Seek professional assistance from a plumber for more serious blockages you cannot clear yourself.

References

• Drains and Plumbing: Clogged Drain