- 1). Pour 1 tsp. dish soap and 1/2 cup vinegar into a spray bottle.
- 2). Pour 3 cups of warm water into the bottle as well, and shake the bottle gently.
- 3). Cover your shower floor with a thick layer of the spray, and let sit for 10 seconds.
- 4). Run a nylon scrubbing pad under warm water, and scrub over the plastic shower floor.
- 5). Turn on the shower to rinse the shower floor. Apply another layer of the spray and scrub if any residue remains.