Bluelab pH Probe

Worked perfectly and accurate. Don’t forget to buy the storage solution.

Arrived on time and in one piece. Connected to my handheld controller and worked straight away.

Everything works great and I am very pleased with the product.

Great communication and fast shipping.

Needed to replace the probe that came with the original meter. This was a slightly different, probably more updated version. Works perfectly.

I have an automated growth chamber (not from Bluelab) and was curious if these would be plug and play in the system. Sure enough, they were. I've bought almost 2 dozen for all my different setups and, aside from minor issues likely related to user error or shipping, every probe has worked well. I checked each against a separate calibrated meter and found all probes to be fairly accurate as well. Drift was easily corrected by calibration.

Good price and great quality.

Works perfectly and was exactly what I needed.

Arrived in perfect condition with liquid in it and calibrated quickly.

pH probes do not last forever, so it is useful to be able to replace the probe instead of buying a whole new meter.

Arrived on time, not broken and worked as expected.

Worked beautifully and the price was right. These probes are fragile, so it was a relief to find an affordable replacement.

Bought this as a replacement for my meter. Swapped from my Bluelab handheld pH meter to the combo to save time and for bigger volumes of water.

Arrived in perfect condition with plenty of storage solution and works well. Response time is good for hobby use.

Arrived intact with plenty of fluid and calibrated very easily.

Used for adjusting the pH of water for plant feeding.

A replacement probe for my Bluelab meter. Works great.

Replacement part for a pH meter, used with calibration chemicals.

Works great with my Bluelab Guardian.

The probe works as expected, although it needs replacing regularly even with good care and storage solution. It can get pricey over time.

I have been using Bluelab products for over eight years. Highly accurate but priced a bit steep for many ordinary gardeners. If you are looking for lab quality and extreme accuracy, look no further. All Bluelab products that I have tested (including their combo meter, soil pH pen, and the Guardian monitor) have performed excellently. pH probes must be kept clean and stored in solution. To keep probes lasting, maintain them properly and recalibrate one to two times a month for best results. Calibrate in pH 7.0 solution first, then 4.0, until your pH probe shows it is calibrated and accurate. Be careful not to drop your pH probe as they can be fragile.

Anyone who has used this probe knows it is worth its weight in gold.

Arrived in perfect condition, properly filled internally and looking factory fresh.

Probe arrived fully immersed in clean solution and was fully functional.

Arrived with storage solution still in it and worked exactly as expected.

Works great. Bluelab makes good products.

Bluelab is worth it if you can afford it. Replacing the probe is definitely worthwhile for these meters.

The best pH probe I've used. My previous one lasted three years of continuous use before it needed replacing.

This replacement probe matches the factory probe, is made from glass and holds calibration well. Very happy to have the meter working properly again.

Works exactly as expected as a replacement probe. The updated design appears to include a spring, possibly for added durability.

High-quality probe with good accuracy. It arrived in perfect condition with storage solution in the cap and worked perfectly after calibration.

Extremely accurate and fast, but fragile. Works excellently and the storage tip seals properly to protect the probe.