HI70039G is a high quality 5000 uS/cm conductivity standard 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.

• Supplied with Certificate of Analysis
• Single-use sachets for convenience.
• Perfect for use with GroLine testers and portable meters!