If water is near the rim, scoop some out with a small cup or an old plastic container into a bucket. Lower water level helps prevent overflow.
🚽 No Plunger? No Problem – Unclog a Toilet with Just a Toilet Brush how to unclog a toilet with a toilet brush
Place the toilet brush into the toilet bowl, bristles first, so the bristles are inside the drain hole at the bottom. If water is near the rim, scoop some