HTH 1088 Time to Shock? Test Strips
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<b>[Product Information]</b><br>
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<li>Weekly shocking may not be enough, Rely on the test that tells you when to shock for sparkling blue, crystal clear water</li>
<li>Tests for total and free chlorine</li>
<li>Includes 25 test strips</li>
<li>Results in seconds</li>
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