The Nature’s Care Chlorine X-Tend is an effective way to reduce the loss of chlorine from UV rays without the use of cyanuric acid. Even though it can be effective when it is accumulated, cyanuric acid buildup can decrease the activity of chlorine activity. When there is a lack of chlorine activity, the pool water is under sanitized, which can cause multiple water quality issues. Nature’s Care Chlorine X-Tend will efficiently extend the life and activity of chlorine in your pool. If this product is used as part of a regular maintenance treatment, chlorine will last longer without the need for cyanuric acid stabilizers.