Check the listing for details. Lovibond CHECKIT Pool Water Tester / Comparator (5 in 1) Chl, pH, Cya, Alk, Cal. Condition: Brand New. Listed at 378.64 USD. The Lovibond CHECKIT comparator is a compact, lightweight colorimetric unit suitable for both mobile and static water analysis. Available with a number of different colour scales, it provides the basis for a comprehensive easy-to-use analysis system.Each CHECKIT Comparator Disc contains a continuous colour scale for exact colour matching between standard and sample.The CHECKIT Comparator 5 in 1 Kit is supplied in a carry case with Comparator, Vials, Discs, Shaker Tube, reagents and method instructions for all tests.Test / Range:Chlorine: 0 - 4 mg/lpH Value: 6.5 - 8.4Cyanuric Acid: 20 - 200 mg/lTotal Alkalinity: 20 - 800 mg/lCalcium Hardness: 20 - 800 mg/lNote: Sale price is inclusive of GST. Tax Invoice will be sent with item.