You may also want to watch his liquid intake after lunch each day, especially if he’s on a diuretic like my husband is. Coffee with supper or in the evening is a no-no. Lots of soda pop, juice, tea or flavored drinks after about 1PM isn't good either.
If you are saying he goes thru the pad then you need a better pad. I have started using the peapod mats and they do work. As long as he does not roll off it. Much better than washing all of the bedding.
Much better than washing all of the bedding.