HM Digital QC-1 Quick Check TDS/Conductivity Monitor PL Bags The pH sensing bulbs become

The pH sensing bulbs become less sensitive over time so make sure that you are calibrating reguarly to keep your PRO pH controller accurate

Method: Adaptation of USEPA Phenatroline Method 315B - The reaction between Iron and the reagent causes an orange tint in the sample

The standard replacement filter for your Santevia Gravity Water System — ideal for non-fluoridated water supplies

For non-fluoridated water: Ideal for areas without fluoride in water supply

5 VDC USB Adapter (included)

HM Digital QC-1 Quick Check TDS/Conductivity Monitor PL Bags The pH sensing bulbs becomePress the "Push to Check" button for an instant water quality check! FEATURES With the push of a button, the unit displays a green or red light, indicating good water quality or service required, respectively. Tests for TDS or conductivity levels. Eight programmable set points (by dip switch). Bright LED lights. Simple to use. Factory Calibrated to 100 ppm NaCl. Re calibration is unncessary. Comes equipped with Mur lok Quick Connect T fitting (1 4