Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester

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Apera Instruments pH tester
Apera Instruments pH tester

I bought an Apera instruments PH20 pocket meter to replace my Bluelab pH pen. So far it seems very accurate and easy to use. Calibration is simple. It comes with a carrying case and the 7.0 and 4.0 calibration solutions.

Available here: https://goo.gl/2JdWB8

I get commissions for purchases made through the following links. This is at no extra cost to you and helps support my site and YouTube channel.

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