One of my cats is very finicky and poops far away from the litter box in a specific area, but pees in the litter box consistently. He is 14 y.o. and other than being old, there is no obvious issue identified by the vet. This is a newish problem, a few months.
I use unscented clumping litter, a combo of Dr. Elsey's ultra and cat-attract (I have used this same litter for some time, a few years)
I switched to a probiotic "for gentle tummies" cat food which he enthusiastically eats, but has not helped this problem behavior.
There are two cats and I have 3 boxes accessible. The two cats are from the same litter and are very close and groom each other. No animosity.
I scoop in the morning a