How Do You Use Clobber Drain Cleaner?

Hold bottle with one hand and unscrew cap taking care not to squeeze or tilt bottle. 5) Slowly pour a small amount of Clobber (less than 1/4 pint) DIRECTLY INTO DRAIN OPENING. Keep face and hands away from opening. 6) If no “bubbling” or backup occurs, add rest of dosage slowly and carefully.

How long does it take for clobber drain cleaner to work?

Use Clobber to disintegrate organic matter quickly to unclog drains, sewer and other waste lines or thaw frozen lines. Small drains, waste lines & traps 1/2 pint 5 to 15 minutes 3” or 4” lines 1 quart 15 to 30 minutes 6” or 8” lines 1/2 gallon 15 to 30 minutes Urinals 1 pint 15 minutes Toilet bowls DO NOT use Clobber.

Is sulfuric acid bad for pipes?

Because it corrodes metal, sulfuric acid can damage chrome, stainless steel and galvanized steel plumbing pipes. It's recommended for use only if you have plastic plumbing pipes, and even these can sustain heat damage if you introduce the drain cleaner too quickly or use too much of it.