Buster QT.

-Concentrated inhibited Sulfuric Acid
-Turns Solid Masses into Free Flowing Liquids
-Dissolves Grease, Hair , Paper and Other Organics

Use in bathroom lavatories, showers, bathtubs, and kitchen sinks only. Always use a full force shield/safety goggles when handling. Wear rubber gloves while pouring slowly at arm length.
1. Understand and follow items 1-8 above
2. Pour 1/2 cup slowly and directly into drain opening. Do not use more than 1/2 cup per application.
3. Wait 15 minutes. Flush with cold water for 5 minutes.
4. If drain is not open when flushing, stop and repeat steps 1-4