Bluelab CAREKITPH pH Probe Care Kit with Calibration Solution, Storage Solution, and Brush, used for pH Pen, Meter, Monitor, Controller and Tools for Hydroponic System and Indoor Plant Grow
Original price was: $49.99.$24.99Current price is: $24.99.
Price: $49.99 - $24.99
(as of Sep 19, 2025 20:34:17 UTC – Details)
The instrument is only as accurate as the probe is clean probe cleaning is one of the most important parts of owning and operating any Bluelab meter or controller. If the probe is contaminated or dirty, it affects the accuracy of the reading displayed. The probe surface is where the instrument takes the reading of the solution. The information is sent back from the probe to the electronic brain of the instrument. A calculation is then done in the instruments brain or micro computer and a reading is then displayed. If the information sent back from the probe is inaccurate due to probe surface contamination then the reading will be inaccurate. Cleaning the probes is a very easy task and prolongs its life.
Clean lab quality pH probes with Bluelab pH Probe Care Kit; General uses for probes include growing tent, reservoir, water tank, and hydroponics
Probe care extends the life of probes and improves accuracy of pH up and down measurements; Regular hydration of a pH probe in KCl solution is key for a longer lifespan
Try Bluelab Care Kit Conductivity for full cleaning set of TDS (ppm) tester, meter and other tools for full garden nutrient monitoring system in water and soil
KIT INCLUDES: Probe care instructions, 20 ml single-use Bluelab Solution Sachets, 2 x each of: pH 7.0, pH 4.0 and KCl storage solutions, 3 plastic cups, pH probe cleaner, toothbrush for cleaning your pH probe
Supplied by Bluelab, the industry leader in hydroponic testing equipment, built for growers
Customers say
Customers find the probe care kit to be a complete maintenance kit for lab equipment, with consistent accuracy and good functionality. The cleaning ability receives positive feedback, and one customer notes it works better when well maintained. While some customers consider it good value, others find it pricey, and there are mixed opinions about the calibration process. The kit comes without lids, which customers find disappointing.
13 reviews for Bluelab CAREKITPH pH Probe Care Kit with Calibration Solution, Storage Solution, and Brush, used for pH Pen, Meter, Monitor, Controller and Tools for Hydroponic System and Indoor Plant Grow
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Original price was: $49.99.$24.99Current price is: $24.99.
ramon gonzales –
Bl
Blue lab very reliable!
Rodrigo M. –
Solid, accurate, reliable
I was using cheap meters in order to get the ph right, and I was always in doubt if the values might be fine or not. This gives you accurate readings, I just submerge the probes, measure and trust what it shows. Probe care kit is a must, calibrate every 1 week, clean every one month. Overall review: “Loved it”
Abdul –
Worth it!
Update: great company, itâs hard to find a company that cares about the customer as well as they care about themselves. blue lab thank you for seeing my review and doing something about it. I never put in for a claim but you still showed me respect by making things right after reading my review you have gained a lifetime customer!
JSSS –
Accurate and wonderful. But needed Alkaline calibration. That would be nice.
I was a little surprised that the cups had no caps! Hence I had to find another way to keep my standards for later use. Also, I think it would be good to offer the gambit of calibration points. Not only neutral but acidic and alkaline standardized solutions.Still the neutral was important for confidence in using the Blue Lab pen, which is a dream
Mike S. –
If you use pH testers, This a “must have”.
I’ve been using pH testers for over 15 years. When I first started using one, I went to YouTube to learn how to calibrate it. I looked at several videos and 1 had said to “never touch the electrode” (the glass bulb). Because of that instruction, when a pH tester started to take a long time settle on a reading, I replaced it. When I was using the under $10 cheapies, replacing it was no problem. When I started using a much better meter with replaceable lower ends, the replacement cost way more than the cheapies did.Enough time had passed between when I first had a meter and now, I thought there may be ways to clean them now. One of my pH meters was taking close to 15 minutes to settle on a reading. I cleaned that one as soon as my cleaning kit came in. It now takes less than 5 minutes to settle on a reading.I wish I’d have known about cleaning probes years before I did. I wasted a lot of money on replacing dirty meters.
Ryan Greenleaf –
Great pen. Really accurate
As a grower of some delicate plants, I can appreciate the accuracy of this pH pen.
Robert A Bethel –
Great calibration
this small kit does a great job at recalibration simple easy to use well worth the money
Jessyisthebest –
Accurate description
Came with everything in the picture, alittle overpriced for how much solution it comes with vs how much bottles of solution are but oh well I wanted it mainly for the cleaning brush to know the texture of brush so I could buy cheap ones for future use
Christian –
Nel pacco manca un articolo
José Alves –
Great product!
rod stark –
like it
Keith –
Easy to use
LSCG –
This saved my grow! So happy I bought the combo meter. Easy to use and no headaches. Can find videos on youtube on how to use it. Clear accurate readings. A must buy for any grower! Also dont forget to grab a cleaning kit. Its separare. Worth every penny.