Pocket LCD Digital PH Meter Tester Pen 0.05 PH ATC Waterproof Pool Aquarium
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<b>[Product Information]</b><br>
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<li>Pen style digital PH meter</li>
<li>LCD indicator panel</li>
<li>On/off power power switch</li>
<li>Compact size and light weight for easy portability  Available for wide applications such as aquariums, fish hatcheries, food processing, photography, laboratories, quality control, and swimming pools</li>
<li>4x AG-13/1.5V (included)</li>
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