Oh Toby99 my feelings are for you, I went through something very similar but it wasnt a cat peeing in the house it was my dog, almost 5 year ago my beloved dog Levi a bullmastiff dropped down dead, he had been diagnosed with a heart murmur and put on diuretics he wud pee constantly god bless him, I never understood his condition I was young and just wanted him to be ok, apparently a heart murmur can be controlled, we were told LEVI would be dead within a few weeks, as short as it is he lasted 4 years two months and three days. If your baby is needing a tray use the wood pellets, Ive had many cats as foster for both and they last longer without the odour, I will think of you and hope your moggy gets better gud look xxxx