Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC & Replaceable Probe
Pros & Cons
Pros
- pH range of -2.0 to 16.0 with 0.1 resolution
- Replaceable probe extends the tester's life
- Large digital LCD for quick, clear results
- Compact, portable, and waterproof design
Cons
- 0.1 pH resolution is coarser than benchtop meters
- Probe needs eventual replacement over time
Editorial review pending — see reader ratings below.
Check priceIndependently reviewed
Updated Sep 2026
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