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Hanna (TDS-1) TDS Tester; 1-999 PPM, 10 PPM RES.

Price: USD28.13

Buy It from IsoPure Water

Housed in a pocket sized ABS case, this electronic Total Dissolved Solids tester is very durable. It is the ideal meter for hydroponics, fish farming, agriculture, plating and water purification applications. TDS 1 is supplied complete with protective cap, calibration screwdriver and 4 x 1.4V batteries and storage case.

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