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Advanced Accuracy for Confident Brewing

The Milwaukee pH56 PRO is our most accurate handheld pH meter—designed for brewers who want precise data they can trust. With a pH accuracy of ±0.05 and 0.01 pH resolution, this tester provides highly sensitive readings across a broad range, from -2.00 to 16.00. Its automatic temperature compensation and dual-level LCD make it easy to monitor mash and fermentation conditions in real time.

The pH56 PRO is waterproof (IP65-rated), lightweight, and built for brewing environments. It features a replaceable Mi56P double-junction electrode for long life and consistent performance, along with one- or two-point automatic calibration. Whether you're fine-tuning your water chemistry, tracking pH changes during fermentation, or dialing in that perfect sour, the pH56 PRO is the tool of choice for serious homebrewers.

What’s in the Box

Milwaukee pH56 PRO Tester
Pre-installed Mi56P pH/Temperature Electrode
4 × LR44/A76 Batteries
Protective storage cap
User manual

Note: MA9015 storage solution is required and not included for conditioning the electrode before first use.

Milwaukee pH56 PRO Care & Maintenance

Store the probe in MA9015 storage solution
Clean with MA9016 cleaning solution between brew days
Avoid storing in distilled or RO water
Calibrate before each brew session for optimal accuracy
Replace the Mi56P electrode when readings become unstable

Milwaukee pH56 PRO Recommended Accessories

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Milwaukee pH56 PRO Features

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Feature	Details
Model	Milwaukee Instruments pH56 PRO
pH Range	-2.00 to 16.00 pH
pH Resolution	0.01 pH
pH Accuracy	±0.05 pH
Temperature Range	-5.0 to 60.0°C / 23 to 140°F
Temp Resolution	0.1°C / 0.1°F
Temp Accuracy	±0.5°C / ±1.0°F
Calibration	Auto, 1 or 2 points with 2 buffer sets
Temp Compensation	Automatic
Electrode	Replaceable Mi56P (double junction)
Battery Life	~300 hours
Auto-Off	After 8 minutes of inactivity
Waterproof	IP65-rated
Weight	3.5 oz (99 g)

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California Proposition 65

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⚠ Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm.

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Milwaukee pH56 PRO pH/Temp Meter

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