Spa Shock – 3KG $49.77 Spa Shock - 3KG quantity Add to cart SKU: 909711 Category: Spa Chemicals Related products Whirlpool Rinse – 500ML $12.77 Add to cart Brominating Granules – 700GM $29.77 Add to cart pH Reducer – 1KG $15.77 Add to cart Prevent II – 1L $24.77 Add to cart