OTTAWA - It's time to swim again! Whether you use your backyard pool or spa to have fun with friends and family, to exercise, or simply to decompress, remember that microorganisms such as bacteria and viruses also want to hang out! By testing daily and sanitizing your pool or spa water regularly, you can eliminate these unwanted bugs and avoid getting sick this summer. Even if the water looks clean, it could be contaminated. Swimming or bathing in water that hasn't been properly sanitized can cause ear and stomach infections and skin rashes, so testing your pool or spa water every day is very important. Since the water in inflatable and kiddie pools is not treated, it is a good practice to empty and clean these after each use.