Always calibrate after cleaning the probe or when readings seem inaccurate

The Gravity System's extended contact time allows the carbon to adsorb a significantly broader range of organic compounds than rapid-flow pitcher filters

The Black Berkey Primer™ is the final piece in making your Berkey® Water System your off-grid solution for clean drinking water and for everyday use

USB download via micro USB port for PC connectivity

Amplified Combination pH/EC/TDS/Temp probe with a single 3 foot cable  (1 meter) for easy use (MA852D/1 probe included)

Milwaukee Instruments MA957US CO2 Flow Pressure Regulator with Solenoid Valve fluoride removal Always calibrate after cleaning theDESCRIPTION The Milwaukee MA957 CO2 Adjustable Flow Pressure Regulator is a High Quality brass fittings regulator, designed for long lasting use in your Aquarium and Hydroponics applications. Can be used with all Milwaukee controllers. Set of one (1) per package. DESIGN FEATURES The Milwaukee MA957 High Quality CO2 Adjustable Flow Pressure Regulator has a Solenoid, a 4' cord, standard brass fittings, diaphram valves and a bubble counter. Designed to