GroLine General Purpose Cleaning Solution Sachets, 20 mL (25 pcs.) - HI70061G oxygen calibration kit When calibrating pH meters

When calibrating pH meters

Proprietary gravity block ionic adsorption technology

Easy to clean

3 sensors in a single meter pH electrode with extractable junction

This T-valve adapter is made from tough Polypropylene plastic

GroLine General Purpose Cleaning Solution Sachets, 20 mL (25 pcs.) - HI70061G oxygen calibration kit When calibrating pH metersHI70061G 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!