GLB Pool & Spa Products 71000 4-Way Water Test Strips， 50-Strips
<div style="text-align: left;"><strong>[Product Information]</strong><br>
<ul>
<li>50 Strips per bottle</li>
<li>Test water in seconds - no handling of messy testing solutions necessary.</li>
<li>Test and treat pool and spa water on a regular basis to ensure that proper pH， alkalinity and sanitizer levels are maintained at all times.</li>
<li>Compatible with Chlorine， bromine， ozone， and salt water pools</li>
</ul>
</div>
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