"Well, for starters, I'd use a whole bunch of drugs we don't have here," she said pointedly. Her next instinct was to tell Ronon he couldn't go swimming, but he would probably do it whether she told him no or not, and if he went in the ocean the salt might take some of the itch out and keep him from scratching. "If you go in the ocean instead of freshwater, don't stay in too long, and you haven't scratched the scabs off, you should be okay to swim," she said. If they were on Earth? Probably not the greatest of ideas, but the waters on and around this island seemed pollution-free and relatively safe.