You can use Calcium Hypochlorite pool shock with PoolRx, but you should dissolve the Cal-Hypo shock before pouring in the pool.
310 S. Rosemead Blvd.
Pasadena,
CA 91107
Tel. 818-660-6465
Monday-Saturday 8:00AM-5:00PM PST
Sunday - Closed
WARNING: Product(s) shown and sold in the website and in store can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov
