Regal Chemicals - Shock N' Chlor Plus 70% - 2 Kg Accessories_2026 High-rate sand filters use a

High-rate sand filters use a special filter sand

Shipping Dimensions : 9 x 5 x 5 inch

A set of valves is recommended to adjust the optimal water flow

Just dip an AquaChek Yellow strip in your pool or spa water for one second and remove it immediately

Regal Chemicals - Shock N' Chlor Plus 70% - 2 Kg Accessories_2026 High-rate sand filters use aShock N' Chlor Plus 70% is a powerful, granular calcium hypochlorite (cal hypo) pool shock used to rapidly increase free chlorine levels, kill algae, and destroy bacteria and chloramines. It is an unstabilized, fast acting, 70% available chlorine formula ideal for weekly maintenance or treating cloudy water algae blooms. Product #: RGL 50 4252 Mfg. Part #: 23068C26SC Brand : Regal Chemicals Shipping Dimensions : 9 x 5 x 5 inch Each Product Weight : 4.