Buffer, GEL Couplant & Solutions

Reed PH-04 Ph Buffer, 4ph
For use with pH meters.This bottle contains 1.5oz (45ml) of 4.0 pH buffer solution. For use with REED pH meters.Included table displays what the pH value should be given the buffer solution temperatur..

Reed PH-07 Ph Buffer, 7ph
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 value should be given the buffer solution temperatur..