The Milwaukee 7.01pH Buffer Calibration Solution 230ml is a ready-to-use pH 7.01 buffer for pH meters, probes, testers, monitors, and controllers. It is used during calibration when the meter requires a 7.01 pH reference point.
This 230mL bottle is useful for hobbyists, stores, and service techs who calibrate pH equipment often. The solution is rated for ±0.01 pH accuracy, helping ensure stable calibration when used with clean probes and proper meter instructions.
Key Features:
pH 7.01 calibration buffer solution for pH meters and probes.
230mL bottle format for repeat calibration use.
Standard ±0.01 pH accuracy for repeatable calibration.
Ready-to-use liquid avoids powder mixing.
Used with pH testers, pens, monitors, controllers, and probes.
Helps verify or adjust pH readings during routine calibration.
Suitable for aquarium, service, and general pH meter maintenance.
Ideal For:
Aquarium hobbyists calibrating pH meters that require a 7.01 buffer point.
Service techs and stores that calibrate pH probes more than once or twice.
Controller users maintaining pH probes for reef tanks, freshwater systems, or dosing setups.
Pro Tips:
Use clean solution each time.Pour only what you need into a clean cup. Do not dip a dirty probe into the main bottle.
Do not return used buffer.Used solution can be contaminated by tank water or other buffers. Discard it after calibration.
Start with 7.01 when directed.Many pH meters use 7.01 as the first or center calibration point. Follow the meter’s calibration order.
Rinse between buffers.Rinse the probe with clean water before moving between 4.01, 7.01, and 10.01 solutions. This helps avoid cross-contamination.
Let the reading settle.Give the probe time to stabilize before confirming the calibration point.
Store the bottle closed.Keep the cap tight and store the bottle away from heat and direct light.
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