HTH, Cal Hypo Granules Pool Shock Treatment

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Cal Hypo Granules/Shock


HTH 70% Granular provides effective and reliable chlorination economically. It kills algae and bacteria instantly on contact. It can be used as routine daily maintenance or as a shock treatment. 



HTH 70% Granular can be used as a shock treatment by simply adding 3 x the normal dosage.


Shock treat your pool once a month or in extreme conditions.


Only enter the pool when the chlorine residual is <3ppm.