BIOGUARD SMART SHOCK 1LB saratoga Blue color-coded design clearly distinguishes

Blue color-coded design clearly distinguishes the fine-thread NPT version from the yellow coarse-thread Acme style (74451)

Large 56" x 48" footprint is perfect for oversized steps

fewer odors

and harmful contaminants in your pool

metal corrosion

BIOGUARD SMART SHOCK 1LB saratoga Blue color-coded design clearly distinguishesBioGuard Smart Shock is a stabilized sodium dichlor shock treatment designed to quickly eliminate chlorine demand and restore water clarity. This 1 lb formula actively buffers both cyanuric acid (CYA) and pH levels, reducing the need for separate chemical adjustments. Ideal for routine pool maintenance, Smart Shock dissolves rapidly and works efficiently to keep your pool sanitized and balanced. Perfect for weekly shocking or emergency treatment when