Review on 🔬 Hanna Instruments HI98103 Checker pH Tester: Reliable and Accurate Testing with Ph Electrode and Batteries by Heather Wilkinson
It doesn't calibrate and they want you to spend $30 to calibrate it!
Failed to calibrate with the provided solution. They said to clean, rinse and then soak in a storage solution for an hour. Well, they don't give you a storage solution. You must buy it for $30. Terrible product, it's back. Stick to tried and tested pH tests.
- Good product for the price
- Some minor issues
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