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Aqua Master Tools Pen Meters

Our wide range of user-friendly pen meters to meaure pH, EC, TDS, PPM, and CF.

With Aqua Master Tools' unique selection of high-quality waterproof pen meters, you are assured of rapid and accurate measurements. The ergonomic soft touch rubber back ensures a continues stable touch and usage.

Extend the life of your pen meter with Aqua Master Tools' replaceable electrodes and accurately measure the parameters of any liquid, substrate, and substance.
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