by Pax » Sat Mar 11, 2017 5:33 pm
Thx n2b. I did purchase another box. We have 6 set up throughout the house (we have 4 cats). It's just odd. No problem for years and now, suddenly, it's an issue. There are no new variables (new pets, a move, change in food etc). I suspect it may be a change in health. Thanks again, everybody.