Yesterday while soaking my sulcata I noticed he passed a few small stones, I’m thinking bladder stones . Today i noticed some dark brown spots on the cement near his house . I soaked him again today and he didn’t pass anything. He has been pooping because I see it in my yard regularly, he’s active, and eats just fine. Could he possibly have a larger stone that he can’t pass? I’m worried now sense finding the dark brown spots.