Yes, Cal Hypo does contain cyanuric acid. It is a chlorine-free, granular swimming pool chemical used to stabilize free chlorine levels in the water. The benefits of using Cal Hypo include:
* Cost effective - One pound of Cal Hypo can last up to five weeks in a regular sized swimming pool.
* Easy to use - Can be easily added directly into your skimmer basket or through an automatic chlorinator system.
Overall, it is an efficient and cost-effective way to maintain safe and healthy pool water for you and your family throughout the summer months.