pH Testing / pH Testing & Control - Blowout Sale! Save up to 77%


Blowout Sale! Up to 77% off on pH Testing (in pH Testing & Control) at Ultimate Garden Supply [162]. Top brands include UOTO, MiToo, Membrane Solutions, URCERI, Pop V, General Hydroponics, Millipore, MEKBOK, GuDoQi, Hanna Instruments, Bartovation, Hach Company, 7Pros, Car Guardiance, Cakie, Pancellent, Xrime, JYeva, & Invigorated Living. Hurry! Limited time offers. Offers valid only while supplies last.



Digital PH Meter, UOTO Water Quality Tester 0.01 PH High Accuracy and 0-14 PH Measurement Range, Ideal Water Test Meter for Household Drinking Water, Aquariums, ATC - Yellow
By UOTO
In Stock
$12.99

mpn: UOTO-PH Meter, ean: 5201995234677,

4.4 out of 5 stars with 59 reviews
Note: 1. Please make sure immersing level is below 1.5 in when testing. 2. A pack of calibrated powder should be dissolved in 250ml distilled water, fluid can be sealed and stored in 10-20 ℃, avoid direct light for 3 months. 3. Please execute strictly according to the instruction to avoid damaging. Get accurate pH measurement easily The PH meter is a perfect device for you to test the acidity or alkalinity of liquids. With a resolution of 0.01pH, a 0.03pH range of error and ATC function you m


Digital PH Meter, PH Meter 0.01 Resolution Pocket Size Water Quality Tester with ATC 0-14 pH Measurement Range for Household Drinking Water, Aquarium, Swimming Pools, Hydroponics
By MiToo
In Stock
$12.99

mpn: Digital, ean: 0713091331433,

4.7 out of 5 stars with 50 reviews
Specifications: Model: 2019 updated Version Measuring Range: 0-14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH(20°C ) Use Environment: RH 95%, 0-50℃(32~176℉ ) Battery: 2×1.5V LR button cell Weight: 1.76 OZ Features: ✅High Quality and Durable It's highly accurate for measuring range of 0-14 PH, 0.1 PH resolution, measure & display pH result simultaneously with LCD display, reliable and quick reading. ✅ Easy to Use You just remove the protective cap and immerse the PH meter electr


Membrane Solutions Digital PH Meter for Water 0.1 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range, with ATC, Auto Calibration, for Household Drinking, Pool and Aquarium
By Membrane Solutions
In Stock
$11.69

mpn: RSPHM002_M12, ean: 0778695795685,

4.9 out of 5 stars with 46 reviews
Why do we need a PH test pen? Tap water and drinking water are indispensable sources of water in our lives. The pH of water has a great impact on human health. So we need to understand the pH of the drinking water .【 FAST AND ACCURATE】:Membrane Solutions PH Tester has a sensitive electrode sensor to read accurate pH levels.Turn on the PH by the ''ON / OFF'' switch and read display result, Measure and display pH result simultaneously with LCD display, reliable and fast reading.. 【Small S


URCERI Digital PH Meter, PH Meter 0.01pH High Accuracy, Water Quality Tester with 0-14pH Measurement Range, for Household Drinking Water Swimming Pools Aquariums and Hydroponics
By URCERI
In Stock
$11.99

mpn: 4258ED7E-M, ean: 0781871851280,

4.8 out of 5 stars with 36 reviews
Auto calibration & temperature correctionThe URCERI PH meter comes with a sensitive sensor that ensures you get an accurate and reliable reading. Please keep in mind that recalibration is required after a lengthy period of inactivity or very frequent use. Calibration is trouble-free, no need to be an expert, with only one touch of a button and couple of buffer powders, calibrate this unit and enhance its accuracy. No additional tools are required and a step by step calibration instructions can b


Digital PH Meter, Water Quality Tester 0.01 PH High Accuracy and 0-14 PH Measurement Range, Ideal Water Test Meter for Household Drinking Water, Aquariums, ATC
By Pop V
In Stock
$12.99

mpn: PH meter, ean: 0713091336261,

4.8 out of 5 stars with 32 reviews
Measuring range: 0.00-14.00 pH Resolution: 0.01 pH Accuracy: ±0.02 pH Batteries: 2 x 1.5V LR44 button cells Automatic temperature compensation Dimensions: 6.06 x 1.26 x 0.79 in Weight: 1.8 oz Package Includes: 1 x Digital pH meter 2 x 1.5V LR44 button cells(built-in) 3 x Packet of pH buffer powder 1 x Carrying box 1 x User manual How to use the pH meter? -Remove the protective cap of the pH tester -Rinse the electrode with distilled water and dry it with soft cloth -Turn on the pH meter -Immers


General Hydroponics PH Test Indicator, 8-Ounce
By General Hydroponics
SKU: #GH1516
In Stock
$13.72

sku: GH1516, mpn: GH1516, ean: 0793094015165,

4.5 out of 5 stars with 33 reviews
Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution.Fill a test-tube halfway with nutrient. Add a few drops of pH Test Indicator. Observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution.


ColorpHast 9590-3 Test Strips, 0-14 pH (Box of 100)
By Millipore
SKU: #B0015T0MSA
In Stock
$22.49

sku: B0015T0MSA, mpn: 9590-3,

4.0 out of 5 stars with 12 reviews
These ColorpHast pH Test Strips allows you to take accurate pH readings in seconds. These non-bleeding strips will not contaminate samples and can be used in the laboratory or remote sites. These test strips have a range 0 - 14 and sensitivity of 0.5. EMD Chemicals #: 9590-3.Special indicator dyes do not allow bleeding. Get quick and accurate results from pH 0 - 14. Results in 3 to 5 seconds. Dye is covalently bound to the reagent paper. Can be used in weakly buffered/weakly colored solutions.


Digital PH Meter Tester Best for Water Aquarium Pool Hot Tub Hydroponics Wine - Push Button Calibration Resolution .01 / High Accuracy +/- .05 - Large LCD Display
By MEKBOK
In Stock
$17.43

mpn: PH1-MEK, ean: 0712324502107,

4.2 out of 5 stars with 12 reviews
Risantec Digital pH Meter Water Tester Get the convenience of one touch accurate readings - Tired of hassling with paper strips and chemical solutions? - Need more accuracy than trying to match color charts? - Just want something that works? Your digital pH meter by Risantec solves the problem! - Specifically designed to provide convenient one touch accurate readings - Get the accuracy you deserve, with a tolerance of +/- .o5 pH with a single touch of a button. - Quickly obtain a reading with a


GuDoQi Digital PH Tester Acidity Meter 3 in 1 Water Quality Tester TDS EC Meter with Temperature for Household Drinking Water Hydroponics Aquariums Swimming Pools
By GuDoQi
In Stock
$17.99

mpn: CE1759, ean: 0603977219989,

4.3 out of 5 stars with 53 reviews
Features: Applied to water treatment industry, drinking water industry, family, field operation as drinking water quality inspection tools TDS Meter: Measures total dissolved solids such as minerals, salinity, metals, cations or anions dissolved in water EC Meter: Measures the electrical conductivity in a solution, applied in hydroponics, aquaculture and freshwater systems to monitor the amount of nutrients, salts, chlorine levels or other impurities in the water PH Meter: Testing the PH of tap


Hanna Combo pH/EC/TDS/C/PPM Tester HI98129
By Hanna Instruments
In Stock
$154.00
$147.35
You Save: 4%

mpn: HI 98129, ean: 0787461659175,

4.7 out of 5 stars with 52 reviews
The Hanna Instruments HI 98129 is a multi-parameter tester that measures pH, electro-conductivity (EC), total dissolved solids (TDS), and temperature, and features automatic temperature compensation (ATC), an LCD screen, automatic shut-off, and a waterproof body that floats in water. The tester automatically compensates for the effects of temperature when taking pH and EC/TDS readings, so additional measurements and manual temperature entries are unnecessary. The HI 98129 meter has a replaceabl


Iron Test Strips for Measuring Fe2+ (Ferrous) or Fe3+ (Ferric) in Water, 0-100 ppm [Vial of 50 Strips]
By Bartovation
In Stock
$19.68

mpn: PWQ05V50, ean: 0649910801125,

4.9 out of 5 stars with 25 reviews
The Iron test strip measures Fe2+ (ferrous) or Fe3+ (ferric) in water from 0-100ppm in just seconds. This test strip has steps of 0, 2, 10, 25, 50, and 100ppm on the color chart. The Iron test strips only work on iron ions that are free in solution. They will not detect Iron that is complexed with a chelating agent, such as EDTA. Iron chelates are often used in products such as fertilizer to aid in improving the availability of the iron as a plant nutrient. Instructions: Remove one Iron test str


Hach 2745325 Iron Test Strips (Total Dissolved Iron), 0-5 mg/L
By Hach Company
In Stock
$26.25

mpn: 2745325,

4.3 out of 5 stars with 17 reviews
In domestic water supplies, iron can do great economic damage by staining laundry and porcelain fixtures and by producing an off taste in beverages. In water supplies used for commercial beverage production, low levels of iron are critical. Hach's Test strips provide the most easily-used method for determining low to mid-range iron concentrations. Technicians in the field can Test many samples in only a few minutes and make immediate evaluations on-site. No measuring, set-up, clean-up, or chemic


PH Meter with Automatic Calibration - 7Pros High Accuracy Pen Type Water Quality Tester, 6 pH Buffer Powder Packets, Best Tool for Testing PH of Fish Tank, Pool, Pond, Kombucha, Wine, Drinking Water
By 7Pros
In Stock
$28.00
$19.90
You Save: 29%

mpn: PHM-02,

4.5 out of 5 stars with 31 reviews
This 7Pros PH meter is the perfect device for determining the acidity or alkalinity of liquids. Take the worry out of pH testing in the field, and meet your alkalinity testing needs outside the laboratory. 7Pros portable pH meter features a variety of advantages to handle testing indoor or outdoor in difficult environments. Our small digital device offers one-handed operation and easy portability for your remote applications. It is an ideal analyzer for the pH value of aquariums, fishing industr


Digital PH Meter, PH Meter 0.01 Resolution Pocket Size Water Quality Tester with ATC 0-14 pH Measurement Range for Household Drinking Water, Aquarium, Swimming Pools, Hydroponics
By Car Guardiance
In Stock
$59.99
$13.99
You Save: 77%

mpn: Digital PH Meter, ean: 0671072294163,

4.3 out of 5 stars with 7 reviews
Digital PH Meter Water Tester This pH meter is affordable and useful for those who need a PH tester for household and laboratory use. It's not only ideal for household or laboratory use. Also suitable for testing pH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics. Specifications: ■ Measuring range: 0. 00-14. 00 pH ■ Resolution: 0. 01 pH ■ Accuracy: 0. 01 pH ■ Batteries: 2X 1. 5V LR44 (included) ■ Automatic temperature compensation: 0-50℃(32-122


Digital PH Meter, PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC (2019-Yellow)
By Cakie
In Stock
$13.99

mpn: Digital PH Meter, ean: 0713091337305,

4.7 out of 5 stars with 39 reviews
Digital PH Meter Water Tester This pH meter is affordable and useful for those who need a PH tester for household and laboratory use. It's not only ideal for household or laboratory use. Also suitable for testing pH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics. Specifications: ✔ Measuring range: 0.00-14.00 pH ✔ Resolution: 0.01 pH ✔ Accuracy: 0.01 pH ✔ Batteries: 2X 1.5V LR44 (included) ✔ Automatic temperature compensation: 0-50℃(32-122℉


Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Set
By Pancellent
In Stock
$22.17
$21.17
You Save: 5%

mpn: TES-PH-ATDS, ean: 0702877259535,

4.9 out of 5 stars with 42 reviews
Little Money to Know Water Quality The Pancellent TDS EC PH Meter set is a professional level water test meter. Application: pure water production and drinking, tap water, well water, sea water, fish tank water, swimming pool water, amniotic fluid early break, soil, aquaculture, food processing, saliva, enzyme, chemical experiment, ionized water, PH value of human urine and so on. PH Meter Specifications: Measure Range : 0.00 - 14.00 pH Resolution : 0.01 pH Accuracy : ± 0.01 pH Automatic T


Digital Ph Meter Tester 0.01 PH Accuracy Water Quality Tester with ATC 0-14 Measurement Range with Plastic Box for House Water,Hydroponics,Aquariums,Pool,6 pH Buffer Packets calibration(with battery)
By Xrime
In Stock
$14.99
$12.99
You Save: 13%

mpn: 8541957750, ean: 8002131358557,

4.1 out of 5 stars with 41 reviews
Attention: 1.The button battery in the PH meter needs to be replaced regularly 2.After use, please turn off the power on the PH meter, otherwise it will always consume power. Digital PH Meter Water Tester: This PH meter is affordable and useful for those who need a PH tester for household and laboratory use. It's not only ideal for household or laboratory use, also suitable for testing PH balance of drinking water, pool, aquarium, food Project, RO system, Spa, or hydroponics. Specifications:


TDS Meter Digital Water Tester, 0.01 PH High Accuracy Water Quality Tester, 0-9999 ppm Meter, Ideal ppm Meter for Drinking Water, Pool and Aquarium Water PH Tester Design and More
By JYeva
In Stock
$10.99

mpn: TDS Meter, ean: 0713091334922,

4.2 out of 5 stars with 9 reviews
Features: ✅High Quality and Durable It's highly accurate for measuring range of 0-14 PH, 0.1 PH resolution, measure & display pH result simultaneously with LCD display, reliable and quick reading. ✅ Easy to Use You just remove the protective cap and immerse the PH meter electrode in the solution and turn on the PH by ''ON / OFF'' switch to be measured. Beats the heck out of trying to see the colors of a litmus strip. ✅Easy to Calibrate You can simply follow the instruction immerse the P


pH Perfect pH Test Kit - pH Drops for Drinking Water - Measures pH Levels of Water & Saliva More Accurately Than pH Test Strips - pH Balance - Alkaline pH Water Testing Kit, Value 3-Pack
By Invigorated Living
In Stock
$34.95
$14.97
You Save: 57%

mpn: PHP03, ean: 0784672528559,

4.7 out of 5 stars with 45 reviews
pH PERFECT by Invigorated Water is quite simply the perfect pH test kit for quickly, and accurately, testing the pH level and pH balance of water and saliva. Unlike traditional pH test strips, that are not suitable for testing the pH levels of water, pH Perfect is the ideal solution for testing water pH levels. This super-sized 3-pack includes three 0.33 ounce (10ml) bottles providing huge value. If you are serious about your health, and want to have an alkaline body, then you may be interes


Digital PH Meter, 0.01 High Accuracy Pocket Size Meter/PH 0-14.0 Measuring Range, Quality Tester for Household Drinking Water, Swimming Pools, Aquariums
By Pop V
In Stock
$13.99

ean: 0713091334915,

4.3 out of 5 stars with 10 reviews
Get accurate pH measurement easily The Poit PH meter is a perfect device for you to test the acidity or alkalinity of liquids. With resolution of 0.01pH, a 0.05pH range of error and ATC function you may get higher accuracy than other pH meters. Ideal for many household or laboratory applications With a standard measuring range of 0-14 pH, the pH meter is great for a wide range of tasks, such as swimming pool, tap water, home brewing, laboratory testing, aquarium maintenance and much more! Easy



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