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Apera Instruments PH820 Benchtop pH Meter Kit

A Lab Mentor's Share: 3 Secrets to Accurate pH Readings (And Why Your pH Pen is Lying)

Published on March 16, 2025, 6:35 a.m.

We’ve all been there. You're staring at a handheld pH pen, dipping it into your solution, and the number just... drifts. 6.8...…

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Extech PH220-C Waterproof Palm pH Meter

How to Store, Clean, and Revive a pH Electrode: The Ultimate Maintenance Guide

Published on Oct. 27, 2025, 8:28 a.m.

Think of your pH meter as a high-performance vehicle. The digital display and buttons are the dashboard, but the electrode—that…

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