Replacement Potassium sensor for B-731 and K-11 Laqua Twin meter December 10, 2019 | No Comments R4,040.00 Replacement Potassium sensor for B-731 and K-11 Laqua Twin meter quantity Add to cart SKU: 3200459868 Categories: A-Z, Accesories, Soil & Water Description Description Replacement sensor for LAQUAtwin B-731 and K-11 Requires a minimum of 0.3 ml sample with direct measurement (0.05 ml with sampling sheet B) Sensor guard has a sliding cap for scooping water sample Waterproof Related products pH Electrode replacement for PH100 R998.00 Add to cart FieldScout pH Meter – Blunt Tip ISFET Probe R10,200.00 Add to cart Laqua Twin EC-Temp meter , 2-point Calibration (0 – 199 uS/cm; 200 – 1999 uS; 2.00 – 19.99 mS/cm) R2,900.00 Add to cart Long Stem Soil Thermometer 8in (20cm) R1,075.85 Add to cart