Quote:
jleonard wrote:3 years ago when my head was bubbling it was a clogged vent line.**
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I'll carefully avoid the opportunity for*several great puns and just say that I second your opinion.
The*most likely*cause of*bubbling is a higher pressure in the tank and piping downstream of the bowl. A good set of valves might prevent it but the root cause is elsewhere.
Replacing leaking valves*may just pressurize the system more and might*lead to*a worse outcome than stinky bubbles.