this is a rear discharge toilet. the toilet has been shut off for several months, and seems to be clogged, since the bowl fills up, and then the level falls, not a normal flushing action. but this is isn't the main problem. after refilling, the bowl level is normal, then quickly falls about 3", and stays at this reduced level. apparently it was having this problem before it was shut off.
any ideas why this is happening?
any ideas why this is happening?