A recent addition to our portfolio of products and chemistries. The poolife. Exclusive pool care collection. Extended released Non-Stabilized Tablet. This product is a patent-pending sanitizer that utilizes a proprietary slow dissolving technology with Cal Hypo to create a tablet that lasts for days. What's more- it does all this Without adding any Cyanuric Acid to the water. For skimmer use only and is compatible with chlorine, salt chlorine generators, ozone and mineral systems.