Item Tag: 305393762734

Included in the kit is lab grade pH 4.01 buffer solution (MA9004), pH 7.01 buffer solution (MA9007), pH storage solution (MA9015) and pH cleaning solution (MA9016). All bottles are 230 mL. In general, and depending on the frequency of use and the type of application, soak your pH or ORP electrode once per week in MA9016 Cleaning Solution for about 15 minutes.