Plunging Shower Drain -

Most showers have an overflow hole (unlike tubs), but if your shower is a tub-shower combo, you must seal the tub’s overflow drain . Otherwise, air will escape and plunging will fail.

Most shower drains have a metal grate (strainer) held in by a screw, or a pop-up stopper. Remove this first. If you try to plunge over the grate, you’ll lose most of your suction power. 2. Block the Overflow (For Tub/Shower Combos) plunging shower drain