What is the difference between Granular and Liquid Shock?

The answer is most granular and sticks are stabilized chlorines and liquids are not.  Stabilized chlorine stays in the water longer and kills bacteria.  It is protected from breakdown from UV rays of the sun. Stabilized chlorine is most commonly found in granular, sticks, and tablets.  Unstabilized chlorine dissipates rapidly in sunlight.  The UV rays of the sun break down the unstabilized chlorine and make it unable to kill bacteria and keep water clear.

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