Recalibrate periodically using M10080B 800 ppm calibration solution sachets

HM DIGITAL FM-2 Water Filter Monitor with 5-Stage Volumizer and Timer

stainless steel sample well with unit rated to IP65 as "dust tight" and protected against water jets

doesn't leach chemicals

always rinse the probe in fresh tap water after every use

Seychelle 26oz Insulated Alkaline Water Bottle - White food quality control Recalibrate periodically using M10080B 800Filters as you drink Several colors to choose from: Matte Black, Matte Indigo, Metallic Blue, Gunmetal, White, Rose and Pearl Double Wall Vacuum Insulated Increases alkalinity pH up to 9. 5 Exclusive Ionic Adsorption Micro Filtration System Tested to NSF ANSI Standard 42 & 53 by Broward Testing Laboratory Filters made in the USA and tested both Nationally and Internationally Designed to be used with chlorinated municipal water. Not to be used with