Best Bluelab Lab Ph Meters in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Bluelab Lab Ph Meters

Bluelab PENSOILPH Soil pH Pen, Digital Meter and Water Test Kit, Also Used for Coco and Rockwool with Easy Calibration, Clear & STSOL120 KCL Storage Solution 120ml pH Probe and Pen
#TOP1
Bluelab Pensoilph Soil Ph Pen, Digital Meter And
9.6
PM SCORE
Bluelab CONTPH pH Controller with Monitoring and Dosing in Water Digital Meter for Hydroponic System, 1, White & General Hydroponics pH Down Liquid Premium Buffering for Stability, 1-Gallon
#TOP2
Bluelab Contph Ph Controller With Monitoring And Dosing
9.5
PM SCORE
YINMIK Digital Soil pH Meter for Gardeners, Soil Direct pH Tester for Plant Care, Measure pH of Solution Potting Soil Growing Media,Great for Indoor,Greenhouse,Outdoor,Garden, Lawn, Farming, Yard Use
#TOP3
Yinmik Digital Soil Ph Meter For Gardeners, Soil
9.4
PM SCORE

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Summary of the Best Bluelab Lab Ph Meters of 2026

#TOP1

Bluelab Pensoilph Soil Ph Pen, Digital Meter And Water Test Kit, Also Used For Coco And Rockwool With Easy Calibration, Clear & Stsol120 Kcl Storage Solution 120Ml Ph Probe And Pen

BLUELAB
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Product 1: Measures temperature and pH (acid or alkaline) in nutrient solution, soil, and other media for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, aquarium, fish tank, coco, and rockwool

Product 1: This hydroponics tool has ATC that provides consistent reading regardless of any fluctuations in temperature, and reminds when you need calibration; Durable design for repeated uses and fully waterproof

Product 1: More accurate and convenient than test strips and other testing methods; Combine with TDS pen, meter, and other testers for full garden nutrients monitoring in water and soil

Product 1: Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery and storage cap; Calibration solution, KCL solution, and pH probe care kit are sold separately.

Product 2: Simply add KCl solution to the cap of the pH pen and pH probe for storage and hydration to extend their life and improve accuracy for precise pH up and down adjustments

Product 2: Designed for use with Bluelab pH pens, Bluelab soil pH pens, Bluelab pH probes and Bluelab soil pH probes

Product 2: Try Bluelab TDS (PPM) meter, tester and other hydroponics tools for full garden nutrient monitoring in water and soil

Product 2: KIT INCLUDES: 1 bottle of storage solution at 120ml, Instructions are on the label of the bottle

Bluelab Contph Ph Controller With Monitoring And Dosing In Water Digital Meter For Hydroponic System, 1, White & General Hydroponics Ph Down Liquid Premium Buffering For Stability, 1-Gallon

BLUELAB
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Product 1: 24/7 test, monitor control (doser) for your pH up and down in water to maximize your grow and ensure plants get a balanced feed (nutrients) with lab quality glass probe; General uses include growing tent and reservoir

Product 1: This hydroponics digital tester has ATC that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters with safety lockout

Product 1: Automated dosing with intuitive on-time/off-time for single-direction control; Combine with conductivity (TDS) pen and other meters for full garden nutrient monitoring in water and soil

Product 1: KIT INCLUDES: Calibration solution, replaceable pump, dosing tube, pH and temperature probes, international power supply, probe care kit sold separately

Product 2: Acid formulation uses food grade phosphoric acid

Product 2: Add when your nutrient pH is too high in order to lower the pH to the proper level

Product 2: Promotes pH stability

Product 2: Adjust by adding a little at a time

Yinmik Digital Soil Ph Meter For Gardeners, Soil Direct Ph Tester For Plant Care, Measure Ph Of Solution Potting Soil Growing Media,Great For Indoor,Greenhouse,Outdoor,Garden, Lawn, Farming, Yard Use

YINMIK
YK-S01
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YINMIK 7.64

Features

{Great Soil Direct pH Meter for All Growers}Are you tired of taking far more time making slurries or mixing up soil solution? Are you tired of waiting too long after inserting two probes into the soil, but exchange for the motionless dial pointer. YINMIK soil pH meter will provide a new experience of soil pH test for all growers. Just stick the electrode into the soil, and immediately obtain the accurate pH value. If you are a hydroponics expert, there is no need using another tester to measure the pH value of the nutrient solution, YINMIK soil pH meter can meet the requirements of both soil and liquid tests

{Powerful Digital Soil pH Tester for Avid Gardeners}YINMIK Soil pH Tester is equipped with a new sensitive spear tip electrode which is replaceable making you obtain the pH value of the soil quickly and accurately. A tapered stainless-steel dibber that can be firmly attached to the pH pen, ensuring that your tester could measure all types of soil without worrying about damage to the electrode. YINMIK even provides an extra electrode for free to buyers to ensure that our fans can use the tester for a long time

{Smart Digital Soil pH Monitor Kit for Serious Growers}Download the YINMIK App to connect with the soil pH meter and set up automatic data storage, so you can leave your tester in the soil for a long time, and just check the stored data on your phone to know the change of your soil pH value instantly. Besides, you can explore more useful functions on YINMIK app

{More Practical Functions of YINMIK Soil pH Meter}Backlight function ensures you can use the product in a dimly lit working environment. HOLD/TEMP button can be used for reading lock. Automatic temperature compensation (ATC) function ensures the accurate test results anywhere all the season. 3-point auto calibration make the calibration job easy and convenient.

{Wonderful Soil pH Tester Kit as a Garden Gift}What you can get from the package include: YINMIK Soil pH Meter*1; YINMIK Replaceable Electrode for YINMIK Soil pH Meter*1; Tapered Stainless Steel Dibber*1; Clean Brush*1; 1.5V LR44 battery*3; Calibration buffer powder*6; English instruction*1.; dropper *1; In addition, we provide 90-days free return and 12-hours respond for any question about the product

#TOP4

Bluelab Penph Ph Pen, Ultimate Handy Solution For Measuring Ph And Temperature

BLUELAB
5011
1.18 X 8.27 X 2.36 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HTGSupply 8.94

Features

Backlit LCD display

Fully waterproof

Automatic Temperature Compensation

Yinmik Ph Meter, Digital 4 In 1 Ph Ec Tds Temp Meter For Water Hydroponics, Waterproof Dwc Ph And Ec Ppm Water Tester With Backlit For Nutrients Growing, Indoor Garden, Home Brewing, Pool, Aquarium

YINMIK
YK-4
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YINMIK 9.77

Features

{Multiparameter pH EC TDS Temp Meters:} Grower’s good aid. YK-4 Pen Meter can measure pH, EC (Electrical conductivity), TDS (total dissolved solids), don’t need others, just press {MODE/CAL} key to switch readings of pH, EC (μS/cm / mS/cm), TDS (ppm).

{Easy to Calibrate-pH Meter:} Automatic pH calibration. Supports 3-point pH CAL at 7.00, 4.00, 10.01. Comes with 2 sets of pH meter calibration powders (4&7&10) for your calibration needs, (EC and tds meters are pre-calibrated). {Easy to Read:} The large screen display with green Backlight helps to read the pH tds ec meter at odd angles and in low light. Press the {HOLD/TEMP} key to lock the reading, which helps to easily record readings.

{Multiple Uses-pH Tester:} Multiparameter Meters can test pH, EC, tds levels and temperature of pH up and down in hydroponics to know your water is in the perfect range for maximum nutrient uptake. Widely used in DWC hydroponics system, RO/DI water, drinking water, tap water, beer, wine, kombucha, milk, home brewing, pool, aquarium, reef tank, hot tub, aquaculture, Spas, fish tank and urine.

{pH EC Meter with Stable and Reliable Reading:} The additional chip makes the pH reading more stable (Reduce the interference of mobile phones and other items on the instrument), and the automatic temperature compensation (32 to 122 ℉) keeps the reading consistent.

{No Worries of pH PPM Meter}: For YK-4 replacement pH Probe; it is available at YINMIK Store, save your maintenance cost; For Calibration, you can find pH 4.00 7.00 10.01 Calibration solution and calibration powder in YINMIK Store; If you need to calibrate EC later, You can come to YINMIK Store to choose EC 1413μS/cm and 12.88mS/cm calibration solution

#TOP6

Bluelab Metcom Combo Meter For Ph, Temperature, And Conductivity Measures, Easy Calibration & Blu7000 Metcarrycase For Combo Photographic-Light-Meters, Natural

BLUELAB
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Product 1: Measures pH, temperature and (tds) EC, ppm 500, ppm 700 and CF with lab quality glass that can be used for the pool, drinking water, hydroponics, brewing, and growing

Product 1: EASY two point calibration and auto temperature compensation makes this digital meter a handy tool with backlit LCD display and calibration reminders

Product 1: Quickly monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need

Product 1: Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA batteries and calibration solution; Works with Bluelab Leap pH Probe for direct media measurements

Product 2: Firm outer casing with custom fit for Bluelab Combo Meter

Product 2: Impact resistant to protect Bluelab Combo Meter and probes

Product 2: Strong nylon strap with adjustable length

Product 2: CASE ONLY, meter and probes not included

Bluelab Contpro Pro Controller For Fully Automated 24/7 Digital Monitor, Dosing, And Data Logging Of Hydroponics Reservoir (Base Only, No Pump), Includes Ph, Ec, And Temperature Probe

BLUELAB
CONTPRO
13.00 X 8.70 X 3.70 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Test, measure and control (doser) pH and nutrients (tds) in solution to make precise up and down adjustments with lab quality probes for use in hydroponic system and grows with reservoirs; multi-part nutrient dosing with Peripods

EASY two point calibration for pH sensor, and auto temperature compensation, with backlit LCD display and calibration reminders; EC probe is factory calibrated; Data logging with Bluelab Connect software (Connect stick sold separately)

24/7 meter for your nutrient and ph level to maximize your grow and ensure plants get the balanced feed they need; high and low alarm when outside parameters; tester parameters can be viewed on mobile phone

Other features: flexible mounting options, replaceable probes, high RF tolerance, units for temperature and conductivity; KIT INCLUDES Pro Controller, pH/EC/temperature sensor (Peripod pumps sold separately)

Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 2 Year Limited Warranty with proof of purchase on the controller (6 month warranty for pH probe)

#TOP8

Bluelab Ph 7.0 Calibration Solution (500Ml)

BLUELAB
PH7500BL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Granite Supply 9.72

Features

ENSURE pH METER ACCURACY – Regularly calibrate your pH measurement devices with pH calibration reference solutions to ensure measurement accuracy. Always clean and calibrate your pH probes at two pH points for improved accuracy – pH 4.0 and pH 7.0. A well calibrated pH meter will always be more accurate and precise

HELP YOUR PLANTS GROW – Optimal nutrient solution for plants starts with accurate pH probes. Ensure your pH is always on-point with regular pH calibration.

FOR ALL BLUELAB pH DEVICES – Use with all Bluelab products that measure pH: Bluelab pH Pen, Bluelab Soil pH Pen, Bluelab Combo Meter, Bluelab Combo Meter Plus, Bluelab Multimedia pH Meter, Bluelab Guardian Monitor, Bluelab pH Controller and Bluelab Pro Controller.

GET EVERYTHING YOU NEED – Combine pH 4.0 and pH 7.0 for the accurate 2-point calibrations. Add to Cart now.

Bluelab Monguaconin Guardian Monitor Connect In-Line For Ph, Temperature, And Conductivity Measures, Easy Calibration And Data Logging (Connect Stick Not Included)

BLUELAB
MONGUACONIN
5.00 X 4.00 X 9.00 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Monitor pH up and down, temperature, nutrient (TDS) level in water to maximize your grow and ensure plants get a balanced feed; General uses includes growing tent and reservoir; Selectable conductivity units include TDS, EC, ppm 500, ppm 700 and CF

This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters; Data logging with Bluelab Connect software

Lab quality glass pH probe with easy two point calibration; Conductivity / temperature probe comes factory calibrated so it's ready to be used; Double junction probe is more accurate than test strips and drops

Combine with Bluelab pen and meter for full garden nutrients monitoring in soil; Other features: International power supply, water resistant design; KIT INCLUDES: Calibration solution and inline probes, probe care kit and connect stick sold separately

Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase (6-month warranty for pH probe)

#TOP10

Bluelab Ph Pen

BLUELAB
HGC716480R
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Beach Cities Hydroponics 5.97

Features

Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable).

Successful calibration indicator. Hold reading function and low battery warning.

Fully waterproof with auto off function. Automatic temperature compensation.

Along with Bluelab pH Probe KCI Solution, Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included. Range: 0.0–14.0 pH/0–50°C/32°–122°F. Resolution: 0.1 pH/1°C/1°F. Accuracy @ 25°C: ±0.1 pH. Battery type: 1 x AAA alkaline.

#TOP11

Bluelab Blu23520 Ph Probe, Blue

BLUELAB
PROBPHLEAP
6.90 X 1.60 X 1.60 Inches
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Easy to clean

Gel filled (non-refillable)

Double junction reference

Waterproof cable joint

#TOP12

Bluelab Pensoilph Soil Ph Pen, Digital Meter And Water Test Kit, Clear & Bluelab Penph Ph Pen, Digital Meter For Water With Easy Two Point Calibration And Double Junction Probe Test Kit, White

BLUELAB
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Product 1: Measures temperature and pH (acid or alkaline) in nutrient solution, soil, and other media for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, aquarium, fish tank, coco, and rockwool

Product 1: This hydroponics tool has ATC that provides consistent reading regardless of any fluctuations in temperature, and reminds when you need calibration; Durable design for repeated uses and fully waterproof

Product 1: More accurate and convenient than test strips and other testing methods; Combine with TDS pen, meter, and other testers for full garden nutrients monitoring in water and soil

Product 1: Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery and storage cap; Calibration solution, KCL solution, and pH probe care kit are sold separately.

Product 2: Measures pH in nutrient solution (acid or alkaline) for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing

Product 2: This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; Calibration reminder; Durable design for repeated uses; Fully waterproof and floats in solutions

Product 2: Double junction electrode has a longer lifespan compared to standard probes due to less contamination and is more accurate and reliable than comparable pens, test strips, drops, and more

Product 2: Combine with ppm meters for full indoor garden nutrients monitoring in water and soil;

Yinmik Digital Soil Moisture Meter,Direct Soil Ec Meter 3 In 1 Soil Moisture Ec Tester For Water Monitor Of House Plant,Great Hygrometer For Gardeners,Composters,Saline Land,Farmers And Nurseries

YINMIK
YK-S02
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YINMIK 9.76

Features

[Digital Soil Moisture Meter] Get a clear picture of the moisture changes in your plants' soil in real time. Simply insert the probe into the soil and the soil moisture will be quickly displayed on the screen. Get the accurate soil moisture and schedule watering rationally, making gardening so easy!

[Scientific and Sensitive Hygrometer] Adopting FDR (Frequency Domain Reflectometer) method to detect soil moisture, we can grasp the moisture change of plant soil more scientifically. The moisture level of dry soil is 0.0%, while the moisture level of liquid is 100%, and the soil moisture level suitable for most plants is 21%-40%. Use YINMIK hygrometer to sense the subtle changes of soil moisture.

[Convenient Soil EC Tester] Directly measure soil electrical conductivity, indicates nutrient availability and loss, No need for soil slurries. Insert the probe into the soil to obtain the EC value quickly, measurement range 0.01-20.00mS/cm. Accurately grasp the nutrient content changes in the soil, understand nutrient level in soil, create ideal feeding schedules and reduce crop loss.

[Multifunctional Soil Thermometer] In the process of measuring soil moisture and EC, soil temperature can be obtained and displayed on the screen at the same time. It will be a necessary tool for indoor growers who have strict requirements on soil temperature.

[Wide Application] Easy to Operate for Home Composting, Gardening, Schools & Community Programs. Great gadget for plant care such as house plants, potted plants, indoor herbs and vegetables, lawn, and flower beds

Top 10 lab ph meters bluelab Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Bluelab 10
Yinmik 3

Top 10 lab ph meters bluelab Brands Pie Chart


We've carried out a comprehensive analysis of 6,938 reviews on lab ph meters bluelab, using our selection criteria to identify the best options in the gardening & lawn care. Our findings reveal that most customers typically select lab ph meters bluelab priced around $260.13, with top brands including and yinmik and bluelab

Our team of expert editors reviewed these high-quality items and handpicked the top 13 lab ph meters bluelab for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the gardening & lawn care category. These include yinmik, granite supply, beach cities hydroponics and amazon.com and htgsupply .

We are dedicated to assisting our users in finding the right meters Products based on their needs, saving them considerable time when choosing which lab ph meters bluelab to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.