Standard pH Probe Storage Cap

Keep Your pH Probe Hydrated Between Uses, Replacement Cap

A pH probe without its storage cap dries out, and a dried probe responds slowly and loses accuracy. This replacement cap fits Bluelab pH Probes and holds KCl storage solution around the sensor.

It is an inexpensive part worth keeping on hand, since storage caps are easy to misplace during cleaning and calibration.

Key Features & Benefits

• Fits Bluelab pH Probes — replaces a lost or cracked storage cap.
• Holds KCl solution — keeps the sensor hydrated between uses.
• Protects the tip — covers the sensing bulb when not in use.

Who Should Use this storage cap

Owners of Bluelab pH Probes who have lost or damaged the original storage cap.

About Bluelab pH Probe Storage Cap

Bluelab supplies this storage cap as a replacement part for its standard pH Probes. Fill it with Bluelab KCl Storage Solution.

Frequently Asked Questions

Which probes does it fit?

Bluelab lists it for use with Bluelab pH Probes.

What should I fill the cap with?

Fill it with KCl storage solution. Avoid plain or RO water, which can shorten probe life.

Why does a pH probe need a storage cap?

The sensing bulb and junction must stay hydrated to respond quickly and read accurately. The cap holds storage solution around them between uses.

Does it fit the Leap pH Probe?

The Leap pH Probe uses its own storage cap, sold separately as the Replacement Leap pH Probe Storage Cap.