Milwaukee MA840 Polarographic Dissolved Oxygen Probe - Replacement for MW600 Beverage dispenser plastic spigot with matt Nickel finished Whether you're monitoring nutrient solution

Whether you're monitoring nutrient solution concentration in a hydroponic reservoir

Buffer Type: Phosphate buffer

Repeat twice

Crafted from high-quality glass with a protective green silicone sleeve

✅ Made in the USA — certified quality you can trust

Milwaukee MA840 Polarographic Dissolved Oxygen Probe - Replacement for MW600 Beverage dispenser plastic spigot with matt Nickel finished Whether you're monitoring nutrient solutionProfessional Polarographic Dissolved Oxygen Probe for MW600 Meter The Milwaukee MA840 is a precision polarographic replacement probe designed for accurate dissolved oxygen (DO) measurement in aquariums, aquaculture, wastewater treatment, and laboratory applications. Compatible with Milwaukee MW600, SMS600, and Mi605 dissolved oxygen meters. Key Features: Polarographic Technology: Oxygen permeable PTFE membrane sensor delivers reliable DO readings in