Commercial for Liquid Drano drain opener; two women approach two clogged sinks and tests Liquid Drano versus another brand; voiceover: “which liquid drain opener works best when you’ve got a tough clog and the water backs up?”; women pour their liquids into the sinks; voiceover: “Drano delivers more power to the clog, through dirty standing water!”; after a few minutes, the woman notice that Drano is breaking through while the other hasn’t done anything yet; voiceover: “both drains have nasty clogs: soap, combined with coffee grounds, hair, and grease”; woman using Drano exclaims, “Look: the water’s going down! Drano worked!”, while other says, “nothing, yet...”; end voiceover: “Liquid Drano! Tough on clogs; won’t hurt pipes!”