All of my cats are on TOTW...I've noticed since they've been totally on it and not mixed in with something else, there's been lots of soft poop in the litter box. I've taken the poop in, gotten it checked for parasites, all were negative but all were dewormed anyway, since i do take in fosters that occasionally have fleas and worms, so I figured it wouldn't hurt. I feed all dry, as that is what is affordable with 12 cats. Do you think they need something with more fiber in it? should I mix a food that includes grain into their TOTW? Or totally switch back to a food with grain? They've been on TOTW for about 4 months now, so it should be in their systems, don't you think?