Milwaukee MW500 + MA9025 / ORP Meter + Condition Solution Combo, *** Recommended for Ionized/Alkaline Water Testing

User Manual

*** The MA9025 ORP Probe Oxidation Kit is Discontinued.

*** Per Milwaukee Instruments Tech Support (252-443-3630), end user can use distilled vinegar to oxidize the electrode but it takes 2 to 3 days with the electrode in a jar of 1” to 2” of vinegar to be fully conditioned