Toilet bowl empty, tank full

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shan2themax

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I have 1.5 bathrooms. The toilet in my bathroom never gets used because water leaks from tank when someone sits on commode. I think this is because of the sag in the house. But idk.

So... I checked it tonight, which I rarely do because that bathroom NEVER gets used... its a makeshift office of sorts (😬)..... it was completely empty. Sometimes when I check, it has a small amount of water but it was empty.
So... I plan on monitoring it over the newt week and seeing what happens, but when do I know its an actual problem and not evaporation?
Also.... I have set an alarm in my calendar to flush the dumb toilet periodically until I find out whats happening with the sag, and then I will address it after the sag is fixed.
 

Eddie_T

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I have had toilet bowl levels to be lowered during windy conditions. I'm thinking yours may be due to a combination of wind over the vent forcing water out of the trap plus evaporation.
 

Sparky617

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Could it be a blocked vent and the drains are pulling air through the toilet bowl? If you pour a bucket of water down the toilet how fast does it drain? For evaporation it would have to go several weeks, if not over a month to completely dry out the bowl.
 
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