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. 

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