Dr. Brian Nummer PhD


Author: bnummer

Recommended pH meter

pHtestr30 This pH meter is recommended for several reasons.  The first is that its excellent quality for the price.  Note that the model must be pH testr 30.  The other models (10 and 20) are not recommended.  This pH meter has temperature compensation and a removable (replaceable) pH probe tip.  Just do a search and […]