BioGuard Smart Shock 2lb 22948BIO Swim spa Prevents sticking and rot even

Prevents sticking and rot even if not fully dry

Best for: Pools fighting low alkalinity

works alongside ozone or ionization systems as part of a complete program

and keeps surfaces cleaner while infusing relaxing lavender-eucalyptus aromatherapy

Ideal for: Vinyl

BioGuard Smart Shock 2lb 22948BIO Swim spa Prevents sticking and rot evenBioGuard Smart Shock 2lb 22948BIO BioGuard Smart Shock 2lb simplifies shocking with multi action power, letting you swim just 15 minutes after dosing. This quick dissolving granular delivers chlorine shock, oxidation, buffering, and clarification in one easy scoop. It blasts swimmer waste, bacteria, and algae (with blue fighting crystals) while keeping water brilliantly clear and safe for all pool surfaces. Perfect after parties, rain, or weekly