I have always used Charmin. It does not break down very well. As a compensation I tear the squares I need off the roll so they are not in one string. As a full timer and retired plumber I guess I am lucky as I have had no problems yet. I do see squares passing the clear connection when I dump.
Ralph & Snickers
2006 3500 Chevy Dually - 8.1 - Allison
2006 30' New Horizon - Solar