Bluelab PENPH Fully Waterproof pH Pocket Tester vs Dr. Meter 0.01 Resolution High Accuracy Pocket Size pH Meter

No sources that perform objective hands-on testing have deemed the Bluelab PENPH Fully Waterproof pH Pocket Tester worthy of being included in their pH Meter roundups, which typically isn't a good sign.

Moving on to the Dr. Meter 0.01 Resolution High Accuracy Pocket Size pH Meter: no sources that perform reliable and objective hands-on testing have included it in their pH Meter roundups, which usually means that a product doesn't make for a good purchase.

As a last step, we wanted to do a head-to-head Bluelab PENPH Fully Waterproof pH Pocket Tester vs. Dr. Meter 0.01 Resolution High Accuracy Pocket Size pH Meter comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.