HI-981413-00 GroLine Nutrient dosing system with HI-30033 conductivity probe EC/TDS/Temp £363.00 (exc. VAT) View Product
HI-981421-02 Groline 24 Hour Hydroponics Monitor for pH, EC/TDS and Temperature for in-line applications £486.00 (exc. VAT) View Product
HI-98131 GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester £207.00 (exc. VAT) View Product
HI-9829-13042 Advanced Portable Multiparameter for pH, EC/Turbidity, DO £5,786.50 (exc. VAT) View Product