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ShockChek

from E.T.S. Hach

Great Price: $6

Sale Price: $4

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Description

ShockChek Pool and Spa Test Strips is the fast, easy way to determine if you need to shock (or superchlorinate) your pool or spa. Shocking is a necessary maitenance task that keeps the water clear of harmful contaminants that can cause irritation and spread water-borne illnesses. 

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