GroLine General Purpose Cleaning Solution Sachets, 20 mL (25 pcs.) - HI70061G oxygen calibration kit 3 sensors in a single

3 sensors in a single meter pH electrode with extractable junction

factory-calibrated accuracy

This T-valve adapter is made from tough Polypropylene plastic

Large LCD Display: Easy-to-read screen shows all three measurements simultaneously

When calibrating pH meters

GroLine General Purpose Cleaning Solution Sachets, 20 mL (25 pcs.) - HI70061G oxygen calibration kit 3 sensors in a singleHI70061G is a high quality cleaning solution designed with hydroponics, aquaponics, and greenhouses in mind. Single use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on the go testing, fitting easily into your pocket or carrying case. Specially formulated for cleaning GroLine electrodes. Single use sachets for convenience. Perfect for use with GroLine testers and portable meters!