Chlorine Granular Shock Blue Horizons Hot Tub Spa 2 x 5kg (10kg)

5KG Blue Horizon Chlorine granular Shock Granules x 2 = 10kg. These non-stabilised chlorine shock granules are perfect for shock dosing or regular oxidisation of swimming pool and hot tub water. Can be used for routine swimming pool disinfection. Castle Hot Tubs is a well-established, trusted name in the water care industry, we will do our very best to ensure that your purchasing experience with us is a pleasant one. Goods ordered before 1pm will be sent out on the same day.