HI-98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester €224.38 (exc. VAT) View Product
HI-991300 Waterproof pH, EC, TDS and Temperature Meter with Advanced Features €684.51 (exc. VAT) View Product
HI-97104 pH, Alkalinity, Free and Total Chlorine and Cyanuric Acid portable photometer €365.00 (exc. VAT) View Product