How to Use Bleach to Clean Out a Drain

Store bleach in safe locations, away from children and animals.

Areas that stay wet or damp frequently are prone to hosting mold, mildew and bacteria. An example of this type of area is a bathroom, kitchen or basement drain. One way to combat the growth of these unwanted substances is to periodically clean out your drains with bleach. While bleach won't necessarily unclog a seriously clogged drain, it will help to kill many strains of bacteria, viruses and fungi. Since bleach is a potentially harmful chemical substance, you must also use care when cleaning drains with this product.

Things You'll Need

• Toothbrush

Instructions

1. Pour a cup of bleach down the drain.

2. Wait 20 minutes.

3. Moisten a clean toothbrush with bleach and use it to scrub the drain's surface, along with the upper inner portion of the drain if possible.

4. Pour boiling water down the drain to wash away the bleach and further clean the drain.

Tips & Warnings

• Keep bleach in a secure area away from children and animals. Do not inhale bleach vapors or mix bleach with other cleaning products. Use gloves if handling bleach for an extended period of time.

References

• Canada Mortgage and Housing Corporation: Fighting Mold --- The Homeowners' Guide
• Clorox: Frequently Asked Questions
• Ohio State University Extension Fact Sheet: Drain Flies