2) AquaChek 552244 6-in-1 Spa Hot Tub Pool Easy Use Test Strips Kit | 100 Strips
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<b>[Product Information]</b><br>
<ul>
<li>Easy to use and maintain your hot tub or spa</li>
<li>Takes about 15-30 seconds to show results</li>
<li>A must for a swimming pool or spa owners!</li>
<li>Free Chlorine</li>
<li>Total Chlorine</li>
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