Properly maintaining your pH pen tester will give you fast

protecting both water quality and the lifespan of your 5-Stage or Fluoride Filter

Eco-Friendly Choice — Replaces hundreds of single-use plastic bottles annually

What This System Adds

Membrane Shape: Spherical glass

Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Probe brewing pH meter Properly maintaining your pH penDESCRIPTION The Milwaukee Waterproof pH55 PRO pH Temp. Tester is one of our most accurate cost effective, well rounded, rugged and reliable testers in the market featuring dual level LCD readouts, easily replaceable probe and extended pH ranges to meet almost any application. It's simple 1 or 2 point automatic calibration is simple to use and offers TWO sets of memorized buffers to select. Ideal for use in aquariums, hydroponics, horticulture,