A chemical imbalance—it happens to humans, and it can happen to your pool, too.
Really, it can! And it does. And it's really not something to play around with.
If your pool is chemically imbalanced, you'll know. There are some hard-to-miss signs that show up if a pool's chlorine, alkalinity, and pH levels are off. Let's look at four of these signs, so you'll know what to do if you notice your pool isn't looking or feeling quite as great as it used to.