Thank you everyone for responding!
Nat here are the answers to your questions:
The vet checked him for infection/crystals etc. about 1 year ago when we first noticed that it was more than just an occasional accident. Both females are spayed. I am not sure what an enzymatic cleaner is but we...
I have a 3 year old neutered male manecoon. He periodically (one a week-once every two weeks: however it vaires) exhibits behaviors in which he urinates on houshold objects. He specifically pees on tables, shoes, and laundry (and occasionally other "slippery" like surfaces, such as...