Quote Originally Posted by GrifTheGreat View Post
They're fine. They will puff up during the day to absorb more moisture from the substrate and assist in cooling down. How warm are you keeping them?

Give them a warm soak and they will most likely pee and return to normal. They don't do this on foam substrate.
I thought I was being paranoid ... thanks for the reassurance they are fine. Their temp on the warm side is right at 80 degrees, and that is where most of them are (on the warm side).