Except that two days later I was down there again and noticed that the drain had been pushed up and there was a clear debris field around it. To be honest, I was really afraid that tree roots had grown through the pipe leading to the sewer and that all that debris was from the yard.
We had a plumber come out to clear out the pipe and he took one look at the debris (of which there was more than before, which was strange since it hadn’t rained . . . ) and said it was our kitchen line backing up. The debris was what was left from our disposal. So $135 and about 30 minutes later, the line was clear and he even cleaned up the gunky bits.
There’s just no way I’d be a plumber. But I’m sure glad someone is.