Extech PH110 Waterproof ExStik pH Meter
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<b>[Product Information]</b><br>
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<li>Obtains continuous high accuracy using fresh reference solution</li>
<li>Fast and easy steps to refill your electrode</li>
<li>Eliminates the concern of electrode shelf life</li>
<li>Refillable pH electrode that can be reused by refilling the reference solution once it depletes</li>
<li>Order pH buffers separately</li>
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