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it threads securely into an available collar fitting with a quick quarter turn and has 3
Built with a rugged aluminum back and UV-stabilized poly bristles
Broad compatibility — fits EC65
corrosion-resistant construction with powder-coated aluminum and stainless-fasteners
Effortless replacement — designed to swap in minutes with standard tools
GLB Supersonic 73 Percent Calcium Hypochlorite Granular Pool Shock 5 Lb Bottle dosing lines it threads securely into anGLB Supersonic 73% Calcium Hypochlorite Granular Pool Shock 5 lb Bottle Intro GLB Supersonic 73% Calcium Hypochlorite Granular Pool Shock (5 lb) delivers fast, reliable pool sanitation. This high potency granule quickly raises free chlorine to oxidize organic debris, kill microbes, and clear cloudy water. It fights algae without overstabilizing your pool chemistry and is safe for all pool surfaces, leaving no residue when circulated. List of Features
