Brand: Lifesonic Applicability: Anywhere for water testing No. of tests per kit: 100 Reading ability: 10-400 PPM Expiry date : 3 years from the Mfg. Test methodology: Acid base equilibrium (two bottle system) Things provided in box: Reagent Bottles 2 Reagent 1: 10ml Reagent 2: 32ml Color matching chart: 1 Test Vial : 1 (10 ml capacity) Syringe: 1 (2 ml capacity)