Hank wrote in news:0c9d8f7c-fff3-42f8-83bf-
:

I call it toilet tide, but what is it when the level in the toilet
drops an inch or so? It is the atmospheric pressure, wind blowing
across the vent tube creating a little more vacuum, clogged vent, low
water in the back, or something else? It's no big deal, just curious.

Hank


Sorry Hank. An HOH test.