2-Pack Chlorine Dichlor Granules sanitizer shock for Spa, Hot Tub, Pool - 2 x 2 lb. bottles (4 lbs. total);

Chlorine Sanitizer Granules- sodium dichlor stabilized chlorine is used for shocking or superchlorination of spa and pool water. Dichlor is also an ideal shock for occasional use with alternative sanitizers. Clears-up many water problems quickly. Our formulation is fast-dissolving to save time and effort, unlike some other brands which dissolve slowly. This maximum-strength dichlor is formulated for hot tubs, and contains no scale forming minerals, or insoluble fillers. Product notes: Guaranteed fresh, best quality for maximum potency. Active ingredient is sodium dichloro-s-triazinetrione dihydrate, 99%.