![]() Easier to maintain proper water chemistry.Chlorine protected from the sun with CYA.Stabilized chlorine comes with plenty of upsides, and few downsides. If cyanuric acid levels get too high, you’ll have a whole new issue on your hands, as the only way to remove it from your swimming pool is to drain/dilute the water. We advise you to regularly test your chemical levels to ensure that the water is clean and performing optimally.Īdditionally, it’s important to keep an eye on your water’s CYA level when using stabilized chlorine. In general, you want to keep the chlorine level at 3ppm (parts per million) at all times for constant sanitization. Stabilized chlorine is for use with outdoor pools. This is because CYA also helps moderate the strength of chlorine, which makes it less harsh on your skin and hair, and you won’t need to replace your swimsuit every year. However, it’s recommended to still use small amounts of CYA (20 to 50 ppm). If you have an indoor pool, stabilized chlorine technically doesn’t need to be used because there’s no sunlight hitting the water. This is great for you because you won’t need to keep spending money on replacing sun-depleted chlorine! ![]() So, cyanuric acid prolongs the life of chlorine – about 3 to 5 times longer than unstable chlorine. This means you’ll constantly be feeding your pool chlorine to keep the pool water chemistry balanced. If an outdoor pool is using chlorine and no cyanuric acid present is in the water, the sun will quickly break it down. Cyanuric acid (CYA) protects chlorine from the sun’s UV rays (think of it like chlorine sunblock). Stabilized chlorine contains cyanuric acid. Trichlor comes in tablet form which is slow-released to keep the pool water steadily sanitized over a long period. It has a low pH level of 3, and is 90% active chlorine. It’s sometimes used as a shock treatment, and is very effective at killing black algae.Īdditionally, dichlor is also resistant to high water temperatures, which makes it a good type of chlorine to use in hot tubs.įor pools, trichlor is the preferred stabilized chlorine. This makes pH level fluctuations in the water less likely. Sodium dichlor is known for its near-neutral pH level of 6.5. Hope this helps and have a fun and safe swimming season.The 2 types of stabilized chlorine are sodium dichlor and trichlor. The only way to reduce it is to drain 1/3 - 1/2 of the water, refill, and balance the chemicals out. Unfortunately there's no chemical to lower the CYA. If you have hard fill water, use liquid chlorine because you don't want to add more hardness to your pool water. You can use those to chlorinate your pool. Normal liquid chlorine and much of the granular chlorine is unstabilized, so it won't raise the CYA. The first thing to do is remove any chlorine tabs. If your CYA is at 100ppm, and the range is 30 - 50ppm, then by draining 1/2 of the water and refilling it you'll drop the CYA to 50ppm. When the CYA gets this high the only way to reduce it is a partial drain and refill. If you allow the CYA to get to 100ppm, you need to run the chlorine at 7 - 8ppm for the chlorine to be effective. As the CYA increases through using Trichlor tabs the chlorine needs to increase as well. Your Chlorine should be at least 7.5% of your CYA level and the normal CYA range is 30 - 50ppm. For every 10ppm of chlorine using Dichlor, your CYA will increase by 9ppm.įor every 10ppm chlorine using Trichlor tabs your CYA will increase by 6ppm. The most potent form of stabilized chlorine is Dichlor. Some granular chlorine and most chlorine tabs do have CYA and will raise the level. We have granular and slow release tabs, both dissolve into CYA, right? How do I chlorinate without raising the CYA? My home test is showing about 100 on stabilizer, but I am afraid to shock or add chlorine. Pool store checked again now the cyanuric acid level is 160ppm. After balancing the pH, and shocked with liquid chlorine, the pool was still green. ![]()
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