Review on Mi TDS Pen Water Quality Tester by Gabriela Grobelny ᠌
A little bit not what I expected, generally fine.
If you already know the composition of the water (submitted it for examination) and want to QUICKLY (and cheaply) check how your filter works (does it filter at least some +/- ions), or if you don’t have anything at all to determine the quality of water, then measurement resistance / conductivity of water can help you at least something. And if you do not like cheap and scary outwardly similar devices, then Kasayomi is our choice! (Mine - so exactly, but I have already ordered test strips for myself and plan to give water for analysis).
- + Size. Very small, just over a pen. + Build quality. Very neat, elegant and ascetic design.
- - No proper instructions. I had to go through several video reviews and instructions to get it to work as intended. This is all despite the fact that I understand the principle of its operation (resistance / conductivity measurement). - The accuracy and interpretation of measurement results is the sole responsibility of the user. What you intended there with this device, you must know and understand for yourself. - You measured the resistance of a drop of water in a glass, nothing more. Which ions give such conductivity/resistance? And how will they affect your body? No one knows this until you take this water for a normal analysis.
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