Well, I had a problem at my house last night, and as a result, the Y"H is just not doing anything at the moment.
When I got home from work last night, I noticed a funny smell in the house but I couldn't figure out what it was. My son went down in the basement to work on the laundry, and when he came up he told me that there was a lake in the basement and it smelled bad. I went down and there was a lot of water everywhere. I looked at the floor drain and noticed nothing was happening, so I assumed that the floor drain was stopped up. I went out to get some drain cleaner and put it in the floor drain. While I was waiting I decided to take a look around and see how far the water had gotten (the basement is rather poorly lit and I couldn't see much). Off in a corner is a small bathroom that we never use. I walked in, turned on the light, and almost threw up. It turned out that the house sewer trap had clogged and all the waste from both apartments was coming out of the toilet and the shower in this small bath. B"H, the plumber came this morning and cleared the drain line, but I still have a really big mess to clean. Since last night, I have one image stuck in my head and it is totally squelching the urge.
This has been very effective at stopping the Y"H, but I don't think I can recommend it to anyone in good conscience. The count is now 45 clean days.