For use with pH meters.This bottle contains 1.5oz (45ml) of 7.0 pH buffer solution. For use with REED pH meters.Included table displays what the pH va..
Handheld pen-style pH meter kit bundled with 4.01 and 7.00 pH color-coded buffer solutions for calibration. Covers a 0-14 pH range with a replaceable ..
This bundle pairs the REED R3510 long-stem pH pen with dedicated 4.01 and 7.00 pH buffer solutions, giving users everything needed to calibrate the me..
