: everytime i flush, the toilet works fine and the bowl fills up as normal, however, within 60 seconds the bowl will drain empty. why and how to fix. thanks for any suggestions.Sounds like you might have a blocked drain, this creates vent problems and can drain the bowl of the toilet and other fixturesDISCLAIMERAll advice is given with-out seeing the job, and hence all advice MUST be taken as advice with limited knowledge on the exact situation. NO responsibility can or will be taken. And yes, I am a licensed plumber with my own business in Brisbane Australia