Rx Clear® Multi-Functional 4-in-1 Shock (Various Quantities)

Rx Clear® Multi-Functional 4-in-1 Shock is designed to dissolve quickly and completely, providing a steady source of available chlorine in swimming pools to control the growth of algae, kill bacteria, destroy organic contaminants and restore clarity to pool water. This shock can be used in spas and swimming pools. 

Each bag of 4-in-1 Shock is 1 lb. 

Recommended usage:

• Initial start up 1 lb per 10,000 gallons
• Routine shocking about every two weeks 1 lb per 10,000 gallons
• 99% Sodium Dichloro-s-Triazinetrion Dihydrate
• 55.5% Available Chlorine