HTH Shock
78 % available chlorine granular calcium hypochlorite

HTH shock is a calcium hypochlorite with fast solubility and high concentration to use especially for shock treatments after the winter period and when there is algae formation or cloudy water. Dissolved in water HTH Shock rapidly releases hypochlorous acid.
It can also be used for daily manual pool water treatments.
Packaging
20 kg - 18 kg