GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) light-movers-hangers and was specifically developed for

and was specifically developed for calcium-rich substrates

all Pro models feature a dual-stage

KDF85 replacement filters are available for all Hydrologic's Reverse Osmosis and de-chlorinating filters

Unidirectional pressure equalization valve

GroLine pH 7.01 Buffer Sachets, 20 mL (25 pcs.) light-movers-hangers and was specifically developed forHI70007G 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!