Skin shedding: A little peeling occasionally is fine. Turtles shed their skin like other reptiles, but more continuously. Mine usually shed more for a while, then less or not at all. As long as the shed sking is thin and tranlucent, and you don't see anything unusual on the skin, and the shedding is not excessive, don't worry. If the shedding is continuous, or the skin looks sore or red, or the shedding is very heavy, you may have to deal with a skin fungus. Have your turtle checked by a veterinarian. You may also soak the turtle in an idodine solution twice a day for 15 minutes and keep it warm and dry outside the water overnight for a while. Shell shedding: Turtles shed occasionally the outermost layer of their scutes. They are thin, translucent scutes. If the whole scute is shed and the bone becomes visible, or if shedding is continuous, you may have a fungus problem and should have your turtle inspected by a veterinarian. As an immediate measure, remove the turtle from the water except for a 30 minute bath twice a day; keep it warm and dry; soak twice a day for 15 minutes in iodine solution or sponge off with Nolvosan.