A hot tub can prove to be a highly-valuable addition to any home. After all of the time and hard work that you put into finding the perfect hot tub and incorporating it within your home with a beautifully-designed hot tub installation, it would be a shame to let it go to waste. To ensure your hot tub is operating in the best condition possible, you’ll need to maintain it regularly, and sometimes even request hot tub service. But even the cleanliest of hot tubs endure a problem from time to time. If you notice that the water inside your spa is cloudy, foamy, or milky, there are a few things that you can do to resolve the issue.