GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) grow-system/-trays/-reservoirs and is relatively non-toxic

and is relatively non-toxic

- Top-Max 250 ml

Coil type: E-coated

Instead of a costly digital readout

GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) grow-system/-trays/-reservoirs and is relatively non-toxicHI70007G is a 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!