GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) pH 7 buffer Travel Berkey Water Filter System

Travel Berkey Water Filter System (BT2X2-BB)

lab-grade pH 4

1 Non-Slip Rubber Base Ring — keeps your unit stable on any surface

Compatible Meter: Milwaukee Mi106 pH/ORP/Temp Meter

4') cable and is suitable to verify light intensity at the bottom of aquariums

GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) pH 7 buffer Travel Berkey Water Filter SystemHI70004G is a high quality pH 4. 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!