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We are closely monitoring the developments of COVID-19. During this time we remain open and continue to ship. We fully support First Responders, Municipalities, all Armed Forces and most importantly the Medical Industry.
We are closely monitoring the developments of COVID-19. During this time we remain open and continue to ship. We fully support First Responders, Municipalities, all Armed Forces and most importantly the Medical Industry.

HORIBA LAQUATwin 500 mL pH Buffer Solution (pH 4, 7, 9)

by Horiba
$21.99

Used to spot check/calibrate up to 4 paramters for Horiba Multi-parameter water quality meters.

Contains 1 500mL bottle, available in pH 4, 7 and 9.