You’ll know within minutes if the clog is cleared. Choosing the Right Plunger
Not all plungers are created equal. For a shower drain, you need the right tool for the job: plunger to unclog shower drain
The classic "sink plunger" with a flat-bottomed rubber cup is the gold standard for showers. Because the floor of a shower or tub is flat, the rubber rim can form a perfect vacuum seal around the drain. The Flange Plunger (Best for Toilets) You’ll know within minutes if the clog is cleared
If you have plunged repeatedly and the drain remains completely blocked, the clog may be located too deep in the main line for a plunger to reach. In this case, you may need a plumbing snake (auger) or professional assistance. plunger to unclog shower drain