This combo pack provides everything you need for 8 months of fluoride-free

999 gallons or liters Accuracy ±10% Flow Rate Resolution 0

The SM-1 is provides an easy to read single line TDS monitor that provides a digital readout

Filters up to 3

Shielded sensor cables

ORP-BUF: ORP Buffer Powder Solution and Electrode Test Kit 810666003327 This combo pack provides everythingHM Digitals ORP buffer solution comes in powder form, so its lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. FEATURES Variety pack of ORP buffer solution Test kit to check the quality of your ORP electrode. Simple to use Powder has an indefinite shelf life. Application: Aquaculture, Aquarium, Drinking Water, Food & Beverage, Industrial, Pool Spa, Water Treatment, Window Cleaning Carwash DESCRIPTION Total