Leisure Time Renew Tabs Non Chlorine Shock for
Spas 1.75 lbs - 1 Bottle is a non-chlorine shock treatment conveniently
packaged in easy-to-use tablets that quickly dissolve in spa water and break
down residual soaps, deodorants, natural oils and organic materials before they
have a chance to form combined chlorine. Compatible with chlorine, bromine,
ozone and mineral purification systems.