42 fl oz
Pour 16 oz (1/3bottle) slowly down the drain. For tougher clogs or faster results, pour at least 16 oz, more (full bottle). Wait 15 minutes. In cases of standing water, wait until drain is clear. Flush with hot water.
For garbage disposals, follow same usage directions and flush with disposal running.
Avoid all splashing.
Do not use with plunger or in toilets.