GroStar pH Probe Maintenance Kit

Extend Probe Life With Proper Cleaning and Storage

A pH probe that's left dry between uses or stored without the right solution degrades faster than one that's properly maintained, and that shortened lifespan usually shows up as calibration drift long before the probe visibly fails. The GroStar pH Probe Maintenance Kit bundles everything needed to clean, store, and support calibration of a probe in one package, rather than sourcing each maintenance item separately.

It includes a 3M KCL storage solution to keep the probe's reference junction hydrated between uses, a cleaning solution to clear buildup, a CalPod solution organizer, a cleaning brush, and a wash bottle.

Key Features & Benefits

• 3M KCL storage solution — keeps the probe's reference junction properly hydrated between measurements, protecting sensor life.
• Dedicated cleaning solution — clears residue and buildup that can otherwise skew readings over time.
• CalPod solution organizer — keeps calibration and storage solutions organized and easy to grab during a maintenance routine.
• Probe cleaning brush — removes physical debris from the probe tip without damaging the glass membrane.
• Wash bottle included — rinses the probe with clean water between solutions or after cleaning.

Who Should Use This Maintenance Kit

Anyone running a pH pen regularly — and wanting to extend probe life and keep calibration accurate — rather than storing the probe dry or skipping routine cleaning, is the fit for this kit.

About GroStar

GroStar, a meter and accessory line manufactured by Apera Instruments, offers this maintenance kit as a complete probe-care bundle to support the working life of its pH pens.

Frequently Asked Questions

How often should I clean my pH probe?

Clean it whenever you notice slower response times or a probe that won't calibrate cleanly, and as routine maintenance on a regular schedule if it's used often. Buildup on the probe tip is one of the more common, avoidable causes of inaccurate readings.

Why does the probe need storage solution instead of water?

A probe's reference junction needs to stay hydrated in a solution close to its internal composition, and plain water can actually draw ions out of the junction over time, degrading it faster. The included 3M KCL storage solution is formulated specifically to prevent that.

When should I use the wash bottle?

Use it to rinse the probe with clean water between different calibration or storage solutions, and after cleaning, to avoid cross-contaminating one solution with residue from another. A quick rinse between steps keeps each solution working as intended.

What does the CalPod organizer do?

It keeps the kit's calibration and storage solutions organized in one place, so a full maintenance routine doesn't mean digging through separate bottles stored in different spots. That organization also makes it easier to spot a solution that's running low.

Can this kit be used with any pH probe, not just GroStar's?

Yes, the cleaning and storage solutions are standard pH-probe maintenance products, so they work with most glass-membrane pH probes, not only GroStar's own line. Confirm your probe uses a glass membrane before relying on the kit's cleaning solution.