Measurement devices

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HM Conductance Measuring Instrument AP-2 36.90 € * In stock: 34 (4)	HM Dual µS-Meter DM-2EC 59.95 € * In stock: 3	ARKA myAqua TDS/EC Meter 14.90 € * In stock: 32	ARKA myAqua In-Line TDS Meter 29.90 € * Still in stock: 2
ARKA myAqua pH-Meter 14.90 € * In stock: 61	JBL ProFlora CO2 Control 249.90 € * Still in stock: 2	JBL ProFlora CO2 pH Sensor Set 89.90 € * In stock: 2	ARKA myAqua pH/TDS/EC Meter 39.99 € * In stock: 11
$ARKA Refractometer incl. LED$ ARKA Refractometer incl. LED 39.90 € * In stock: 6	Hydrometer incl. thermometer 34.90 € * In stock: 2	Hydrometer incl. thermometer & cylinder 44.90 € * In stock: 1	DOOA T-H Meter 14.90 € * 19.90 € You save 25 % In stock: 1
ARKA measuring cylinder 14.90 € * In stock: 3	DOOA T-H Meter II 27.90 € * In stock: 3

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