The Extech FL704 TISAB Reagent Tablets for FL00/100 includes 100 tablets and features no messy powder reagents and no dosing equipment required. FL704 comes in convenient plastic cup with cap, its flat surface electrode allows “On-the-Spot” measurements whether sample is liquid, semi-solid or solid. The Chlorine and pH electrodes have built-in temperature sensor and the chlorine electrode does not require reference solution and also does not have a shelf life. Additionally, the FL704's flat surface design provides rigid structure that is difficult to damage, but easy to clean. ExStik® pH, Chlorine, and ORP Electrodes are to be used with ExStik® meters only.