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2Pcs Digital LCD PH Meter Pen +TDS EC Water Purity PPM Temperature Tester Tool – IBVET
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PHOENIX Instrument Laboratory pH Meter EC-45 pH, 754,30€
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Portable pH/EC/TDS/Temperature Meter with CAL Check™ - HI9813-6
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Milwaukee MW802 PRO 3-in-1 pH, EC, TDS Combo Meter with ATC
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Portable Waterproof pH/EC/TDS High Range Meter ( 0.00 to 20.00 mS/cm, 0.00 to 10.00 ppt) - HI991301
Portable pH/EC/TDS/Temperature Meter with CAL Check™ - HI9813-61
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Combined pH, EC and temperature meter for water hydroponic system
