hi, i hv the same problem recently too ... the new adopted cat has sensitive tummy ... once she scratches the sand in the cat toilet, i hv to stand by to clean up ...
i hv tried primal freeze dried but i think i'm changing the food too rush and once she started to have more soft poo ... i stopped ...
but other said it's a process to detoxin ...
i hv ordered fromm duck dry food as heard that it's good for sensitive tummy in discuss.hk
also heard coconut oil can help but i just tried for a few days. once i saw more soft poo, i stopped again.