Milwaukee MA991B/1 Glass pH Replacement Probe

The Milwaukee MA991B/1 is a high-quality glass replacement pH probe, designed for use with compatible pH meters. This probe is ideal for applications where accurate pH values and...

The Milwaukee MA991B/1 is a high-quality glass replacement pH probe, designed for use with compatible pH meters. This probe is ideal for applications where accurate pH values are essential—for example, in aquariums, aquaculture, water treatment, laboratories, or horticultural systems.

FOR METER(S): All Milwaukee BNC pH meters
MEASURING RANGE: 0 - 13 pH

Key Features

• Glass electrode – suitable for precise pH measurements.
• Designed as a replacement part — ideal when the original probe is worn or damaged.
• Compatible connector — fits meters that use MA series glass electrodes.
• Easy to maintain — simple to calibrate and use.
• Stability and reliability — suitable for frequent use in various conditions.

Why choose the MA991B/1?

When your original pH probe wears out due to heavy use or aggressive media, the MA991B/1 offers a direct and reliable replacement solution. Thanks to its glass design and compatibility with the manufacturer's meters, you can safely continue taking accurate pH measurements without having to purchase a whole new meter.

Applications

• Aquarium and seawater monitoring
• Aquaculture and fish farms
• Laboratory and field measurements
• Hydroponics and horticulture
• Water treatment and quality control

Maintenance tips

• After use, rinse the probe with clean, distilled water to prevent residue and salt buildup.
• Store the electrode in storage solution or suitable buffer if recommended by the manufacturer.
• Perform calibration regularly to ensure accuracy.