HI-96769-11 CalCheck standards for Anionic Surfactants, 0.0 and 1.00 ppm £280.20 (exc. VAT) View Product
HI-97769 Anionic Surfactants Portable Photometer: Range 0.00 to 3.50 mg/L £490.50 (exc. VAT) View Product
HI-97779 Chlorine Dioxide portable photometer: Range 0.00 to 2.00 mg/L (ppm) £490.50 (exc. VAT) View Product
HI-83326-02 Multi-parameter photometer with pH meter for Swimming Pools and Spas £712.80 (exc. VAT) View Product