GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) spl_hf Until the lamp has achieved

Until the lamp has achieved a least 10 hours of operation

Do not use the vacuum bags in an oven or broiler

With a remotely mountable power supply

The sachets should only be used once

GroLine pH 4.01 Buffer Sachets, 20 mL (25 pcs.) spl_hf Until the lamp has achievedHI70004G 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!