What causes a toilet to leak from the base when flushing?
Most base leaks when you flush come from a failed wax ring seal between the toilet and the floor flange. A worn tank-to-bowl gasket can also drip during a flush and appear as water at the base.
Quick checks:
- Put food coloring in the tank. Colored water on the floor indicates a bad tank seal.
- Put food coloring in the bowl, flush, and wait a few hours. Colored water at the base means the wax ring needs replacement. We service Denver, Highlands Ranch, and nearby areas.
Updated: 2025-12-30 00:00:00
Need help in Highlands Ranch, CO? Call (720) 740-0350 or book online.
"He arrived promptly and was able to repair the toilet in only a few minutes." — Chet C.
Sources
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- [4]https://bellplumbing.com/about/specials/
- [5]https://bellplumbing.com/plumbing/commercial-services/
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- [7]https://bellplumbing.com/heating/heating-installation-replacement/
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