They need worming on 12th Nov so not quite yet due. They were on HiLife pouches with Hills dry food too. But vet said to give them chicken/coley and rice with some prokolin paste. I think it might be coccidia as have googled yellow poop in kittens and this seems common in coccidia cases but will ring the vets tomorrow to see what they recommend. They seem fine in thereselves and not off food and still running round like maniacs... so all normal on other fronts. And yes drinking just water - no milk.