GroLine pH 7.01 Buffer Sachets (20 mL)

High quality pH 7.01 calibration buffer 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!