My chicks are a little over a week old now. All but two have GOOD solid poops, I'm not sure which two but I think its 2 or 3 chicks that have runny poo. The firm poo is like well........if they poop on me I can flick it off with my finger and it will fly across and land on the floor(thats how firm it is). LOL sorry I know that was gross. Anyway, what is causing a few of the chicks to have runny poo? How can I stop it? They eat Purina medicated chick starter, have clean water and bedding, and its 95 degrees in there and there all comfortable and have space.