Is Alkalinity Making Your Water Cloudy?

Are you having issues with your spa water's alkalinity levels not being quite right and aren't sure what to do? Are you having problems with low or high alkalinity levels in your spa water leaving it more susceptible to pH fluctuations? Water that's out of balance will make your spa water cloudy along with many other issues. Here's what it is and how to fix it.

Total alkalinity acts as a buffer for your spa water, keeping pH levels stable and your water chemistry in check. When alkalinity is properly balanced — ideally between 80 and 120 parts per million (ppm) — your spa water stays clear, comfortable, and safe for soaking. But when those levels drift in either direction, things can go wrong quickly, and the problems go far beyond just cloudy water.

When alkalinity is too low, your spa water becomes highly unstable and acidic. Without that protective buffer in place, pH levels can swing wildly from one extreme to the other, sometimes within just a matter of hours. This condition, often called "pH bounce," makes it nearly impossible to maintain balanced water chemistry. Low alkalinity also causes the water to become corrosive, which means it can begin eating away at your spa's surfaces, equipment, and metal components over time. Swimmers and soakers may notice skin and eye irritation, and your sanitizer — whether chlorine or bromine — becomes far less effective at doing its job, leaving your water vulnerable to bacteria and algae growth.

On the flip side, when alkalinity is too high, your spa water becomes overly resistant to any pH changes at all, making it extremely difficult to adjust chemistry even when you need to. High alkalinity causes the water to scale, leaving behind stubborn calcium deposits on your spa shell, jets, and heater. This scaling can clog jets, reduce circulation efficiency, and ultimately shorten the lifespan of your equipment. The water itself often turns cloudy or hazy with a dull appearance, and you may notice a rough or gritty feeling on the spa surfaces. High alkalinity can also cause your pH to climb and stay elevated, further compounding the imbalance.

The good news is that both of these problems are very manageable once you know what you're dealing with. Regular testing — at least once a week — is the best way to stay ahead of alkalinity issues before they spiral into bigger headaches.

Common chemical imbalance issues how to solve them:

• If pH and Alkalinity are high use pH Down 

• If pH is LOW and Alkalinity is HIGH simply drop your water's pH to 6.5 and turn on your spa jets. While allowing jets to run your water's alkalinity will decrease because of the lowered pH. Running your jets will bring your pH back up.

• If pH is LOW and Alkalinity is LOW use pH Up to bring both levels up.

• If pH is HIGH and Alkalinity is LOW, then drop your water's pH level to 6.5 ... once pH has dropped, then you'll begin to add small increments of pH Increaser. This will bring both your pH and Alkalinity up to it's normal level.