giving you a year and a half of clean

No sodium added: Better for your health

this advanced filtration system produces reliable results for a cleaner and safer drinking water experience

Digital Push-Button Calibration to any point within range

Milwaukee T75 Waterproof Low Range TDS Pen - Total Dissolved Solids Meter 0-999 ppm alkaline replacement filter giving you a year andMilwaukee T75 Waterproof Low Range TDS Pen The Milwaukee Instruments T75 is a professional grade waterproof TDS (Total Dissolved Solids) pen designed for accurate low range measurements from 0 to 999 ppm. Built for water quality professionals, aquarium enthusiasts, hydroponics growers, and field technicians who need reliable, portable TDS testing. Key Features Low Range Precision Optimized for 0 999 ppm measurements with 2% full scale accuracy