AquaChek® Total Hardness 25 Test Kit Strips
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<b>[Product Information]</b><br>
<ul>
<li>Updated part number for the old 611213</li>
<li>Easy to use and maintain your swimming pool 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>Total Hardness</li>
</ul>
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