GroLine Storage Solution Sachets, 20 mL (2 pcs.) Made in USA water filter Put the light sensor on

Put the light sensor on a stable surface in the aquarium

Rugged ABS plastic housing designed for vineyard and cellar conditions

The unit shuts off automatically after 10 minutes of non-use

50 mg/L and a range 0

and calibrate at pH 10

GroLine Storage Solution Sachets, 20 mL (2 pcs.) Made in USA water filter Put the light sensor onHI70300G is a high quality storage solution 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. Specially formulated for storing GroLine electrodes. Single use sachets for convenience. Perfect for use with GroLine testers and portable meters!