Low Range pH/Conductivity/TDS Combo Pen HI98129 – Hanna Instruments

$159.99

Knowing the pH of your reef tank, or the electrical conductivity of your RODI water is a necessity, and Hanna’s HI98129 Combo Pen is the perfect all-in-one solution. The lightweight and portable pen can test pH, conductivity, or TDS (total dissolved solids) in a single pocket-sized device. The HI98129 can also read the temperature and all the readings are ATC (automatic temperature compensated) which means values will be more accurate.

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