Keep a condiment type squirt bottle of scented cooking oil next to the commode. Add about a teaspoon after the water and before ,umm, well ,you know. There is even an ad on TV which I swear I thought was a joke. It isn't. It works and. OK I'm not sure how to put this. It helps to lubricate your ball. The valve.
1993 Winnebago Vectra.
1984 Honda 250 .
It's everybody else that thinks it's Abitbig.