• KETOTEK Water Quality Test Meter, PH Meter TDS Meter 2 in 1 Kit with 0-16.00 ph and 0-9990 ppm Measure Range for Hydroponics, Aquariums, Drinking Water, RO System, Fishpond and Swimming Pool

    TDS METERSpecifications:Measurement range: 0 - 9 999ppm (>999ppm Display×10)Accuracy: ±2%Power Supply: 2*1.5V ( LR44 Button cell) (Included)Operating Temperature: 32 - 122 °FDimension: 144mm*25mm*14mm / 5.57"×0.98"×0.55"Net Weight: 55g / 1.94ozFeatures:Automatic Temperature Compensation (ATC)One button (HOLD) lock the testing resultAutomatic shut-off after 10minutes with inactiveNon-Calibration required: TDS meter had been calibrated in producingPH METERSpecifications:Measure range: 0.00- 16.00PHResolution: 0.01PHAccuracy: ±0.01 PHPower Supply: 2*1.5V (LR44 Button cell) (Included)Opera... [Read More]

    • ASIN: B07RQSKH3C
    • ASIN: B07RQSKH3C
    • Brand: KETOTEK
    • Manufacturer: KETOTEK

  • Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Set

    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 Temperature Compensation : 0 - 60 ℃ / 32 - 140 ℉ Calibration : Two Points Automatic Calibration ... [Read More]

    • ASIN: B06XCMNFVQ
    • UPC: 702877259535
    • ASIN: B06XCMNFVQ
    • Brand: Pancellent
    • Manufacturer: Pancellent Inc.

  • Digital PH Meter, Wellcows 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)

    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℉) ✔ Dimensions: 15x2.5x1.3cm/6x1.1x0.5 inch ✔ Net Weight: 52g/1.83 oz Features: ►High Quality ... [Read More]

    • ASIN: B07TY8C5J4
    • UPC: 713091335103
    • ASIN: B07TY8C5J4
    • Brand: Wellcows
    • Manufacturer: Wellcows

  • VANTAKOOL 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

    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 electrode in the solution and turn on the PH by "ON / OFF" switch to be measured. Beats the heck out of t... [Read More]

    • ASIN: B07SZJHLY5
    • UPC: 671072295924
    • ASIN: B07SZJHLY5
    • Brand: VANTAKOOL
    • Manufacturer: VANTAKOOL

  • KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, RO System

    TDS METERSpecifications:Measurement range:- Conductivity (EC): 0 - 9 999µs/cm- TDS: 0 - 9 999ppm (Parts per million)- Fahrenheit: 32.0 - 176.0°F- Degree Celsius: 0.1 - 80.0°CAccuracy: ±2%Power Supply: 1*3V (Cr2032 Button cell) (Included)Operating Temperature: 32 - 122 °FDimension: 154mm*30mm*14mm / 6.06"×1.18"×0.55"Net Weight: 55g / 1.94ozFeatures:Automatic Temperature Compensation (ATC)One button (HOLD) lock the testing resultOne button (SHIFT) switch the 4 display modes: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °FAutomatic shut-off after 5minutes with inacti... [Read More]

    • ASIN: B07JVQC5MK
    • ASIN: B07JVQC5MK
    • Brand: KETOTEK
    • Size: PH+TDS&EC
    • Manufacturer: KETOTEK

  • Bluelab 716441 Combo Meter for Plant Germination

    5 year Limited Guarantee Bluelab Combo Meter The Bluelab Combo Meter is a portable Meter that takes measurements of pH, conductivity and temperature within a solution. The correct pH, conductivity and temperature levels of a nutrient solution is critical for healthy successful growth. If you are experiencing problems with yellow leaves, or slow stunted growth, the Bluelab Combo Meter will soon tell you if each parameter is within the plants requirements. Adjustments can be quickly made to get your crop back on track. Features Measures pH, conductivity(EC, CF, ppm 500 and ppm 700)and temper... [Read More]

    • ASIN: B003PD2N8Q
    • UPC: 798527618418
    • ASIN: B003PD2N8Q
    • Brand: Bluelab
    • Manufacturer: Bluelab Corporation Limited - Import (NZ)

  • Dr.meter PH100-V 0.01 Resolution High Accuracy Pocket Size pH Meter with ATC, 0-14pH Measurement Range

    Dr.meter - Ultimate Measure for Accuracy The Dr.Meter pH-100 is a handheld, accurate pH meter that measures pH value of water or solution. It has been widely used in the realm of hydroponics, education, water treatment, and swimming pools. This meter has ATC(automatic temperature compensation) for accurate readings in fluctuating temperatures. Specifications: Measuring range: 0-14 pH Resolution: 0.01 Batteries: 4x 1.5V LR44 button cell (AG13) Working temperature: 0-50°C (32-122°F) Weight: 88gPackage includes:1 x pH Meter 1 x Carrying case 6 x Calibration packet 1 x User manual 1 x Warranty c... [Read More]

    • ASIN: B00ST3VTQ4
    • ASIN: B00ST3VTQ4
    • Brand: Dr.meter
    • Manufacturer: Dr.meter

  • General Hydroponics pH Control Kit

    The pH Control Kit by General Hydroponics provides everything you need for testing the pH level of the nutrient solution in your hydroponic system. The pH balance is essential for stimulating vigorous plant growth. Vital elements in nutrient solution having pH that is too high (basic) or too low (acidic) cannot be properly absorbed by plants. Incorrect nutrient solution pH can cause slow growth, sickly plants and low yields. The kit contains pH UP (potassium hydroxide), pH DOWN (phosphoric acid), pH Test Indicator, and a test vial. To test, fill the vial halfway with nutrient solution, add 3 d... [Read More]

    • ASIN: B000BNKWZY
    • UPC: 793094000000
    • ASIN: B000BNKWZY
    • Brand: General Hydroponics
    • Size: Control Kit
    • Manufacturer: General Hydroponics

  • Apera Instruments AI311 PH60 Premium Waterproof pH Pocket Tester, Replaceable Probe, ±0.01 pH Accuracy, -2.00-16.00 pH Range

    The Apera Instruments PH60 Premium Pocket pH Tester is designed for reliable and easy pH monitoring for all kinds of general water solutions, such as in hydroponics, horticulture, aquaculture, pools& spas, water treatment, cooling towers, environmental monitoring, beverage making, education, etc. The meter comes with a replaceable glass bulb probe (PH60-E) for liquid's pH testing. It is also compatible with 3 other pH probes and an ORP probe (sold separately) for different applications such as solid samples and surface test. The meter is CE certified and comes with a 2-YEAR (6 months for the p... [Read More]

    • ASIN: B01ENFOIQE
    • UPC: 858718006049
    • ASIN: B01ENFOIQE
    • Brand: Apera Instruments, LLC
    • Size: 1-Pack
    • Manufacturer: Shanghai Sanxin Instrumentation

  • Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester, ±0.1 pH Accuracy, 0-14.0 pH Range

    "The PH20 Value pH Tester is designed for all kinds of regular pH test applications, including hydroponics, pools and spas, water treatment, aquariums, aquaculture, beer brewing, winemaking, cooling towers, etc. Up to 3 points of auto. calibration and 0 to 50˚C Auto temperature compensation (ATC), ±0.1 pH Accuracy with 0 to 14.0 pH measuring range; auto. recognition and auto. indication of stable readings saves you the trouble of guessing when to manually hold measurement. The PH20 meter comes in a rugged case with pre-mixed 1oz bottles of pH 4 and pH 7 calibration solutions (good for 10-15 ... [Read More]

    • ASIN: B01ENFOHN8
    • UPC: 858718006339
    • ASIN: B01ENFOHN8
    • Brand: Apera Instruments, LLC
    • Manufacturer: Shanghai Sanxin Instrumentation

  • Bluelab PENPH pH Pen for Plant Germination

    The ultimate handy solution for measuring pH! Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen is the latest innovation for hand held meters. It provides a compact quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. Teamed with our Bluelab EC Pen or Bluelab ppm Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth a... [Read More]

    • ASIN: B005POOJHG
    • ASIN: B005POOJHG
    • Brand: Bluelab
    • Manufacturer: Bluelab Corporation Limited - Import (NZ)

  • General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 8 oz

    General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.

    • ASIN: B017H73794
    • UPC: 765018456002
    • ASIN: B017H73794
    • Brand: General Hydroponics
    • Size: Pint
    • Manufacturer: General Hydroponics

  • CityFarmer Digital pH Meter, Hydroponic Nutrient Digital pH Meter with 2 Pack of Calibration Solution Mixture Included, Accurate and Reliable, Built-in ATC, one Year Warranty.

    Specifications Range: 0.0 - 14.0 pH Resolution: 0.1 pH Accuracy: ±0.1 pH (68°F), ±0.2 pH Working temperature: 0 - 50°C (32 - 122°F) Powered by 3 x 1.5V button batteries Color: Yellow Package Included: 1 x pH meter 1 x screw driver 3 x AG 13(LR44) button cell batteries (included) 1 x instruction manual Click the Add to Cart button now and get your very own 123CityFarmer pH meter TODAY!

    • ASIN: B00PECAQ12
    • ASIN: B00PECAQ12
    • Brand: CityFarmer
    • Manufacturer: 123 CityFarmer

  • Risantec Digital PH Meter Tester Best For Water Aquarium Pool Hot Tub Hydroponics Wine - Push Button Calibration Resolution .01 / High Accuracy +/- .05 - Large LCD Display

    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 resolution of .01 pH making those chemical solutions just a distant memory - No more guessing trying to matc... [Read More]

    • ASIN: B012UMLMJS
    • UPC: 712324502107
    • ASIN: B012UMLMJS
    • Brand: Risantec

  • Pancellent Water Quality Test Meter TDS PH 2 in 1 Set 0-9990 PPM Measurement Range 1 PPM Resolution 2% Readout Accuracy (Yellow)

    Little Money to Know Water Quality The Pancellent TDS 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 Temperature Compensation : 0 - 60 ℃ / 32 - 140 ℉ Calibration : Two Points Automatic Calibration But... [Read More]

    • ASIN: B078NJR692
    • ASIN: B078NJR692
    • Brand: Pancellent
    • Manufacturer: Pancellent Inc.

  • Digital Electric PH Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

    Overview:This PH Meter is the perfect device for determining the acidity or alkalinity of liquids.It's incredibly easy to use-just immerse the electrode and the readings are automatically displayed.With 0.01pH Resolution, you may get higher accuracy

    • UPC: 437422157
    • Rating: 3.0

  • Digital Ph Meter + TDS Tester Aquarium Pool Hydroponic Water Monitor 0-9999 PPM

    Features :100% Brand New and high-qualityThis item can be used in water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools, spas, aquariums and hydroponicsHold function: Saves measurements for convenient reading and recordingAuto-function:

    • UPC: 971640995
    • Rating: 4.667

  • Jellas Pocket Size pH Meter Digital Water Quality Tester for Household Drinking Water, Swimming Pools, Aquariums, Hydroponics, pH Measurement for 0-14.0 pH, ± 0.1 Accuracy, 0.1 Resolution.(Yellow)

    WIDE USE, it’s great for home and laboratory uses; water, pools, aquariums, spas, hydroponics, food, wine and beer making and more.FAST AND RELIABLE READING, Highly accurate for measuring range of 0-14 PH, 0.1 PH resolution,

    • UPC: 316888284
    • Model: Ph Tester 01
    • Color: Yellow
    • Size: 5.94*1.22*0.79"
    • Rating: 5.0

  • 3 IN 1 Electric PH/TDS/EC/PPM Conductivity Meter Tester Hydroponics Water Test Tool

    Use step:1. Please unplug the electrode protective sleeve before use2. Press the switch,place the electrode into the test solution3. After the numerically stable.press the HOLD button and take it of the solution to read4. After

    • UPC: 992072581
    • Model: KT-EC
    • Color: White
    • Size: 154*30*14(mm)
    • Rating: 4.0

  • Professional Digital Electric PH Test Pen Meter LCD Tester Pocket Hydroponics Aquarium Water Test Pen

    Overview: This PH Meter is the perfect device for determining the acidity or alkalinity of liquids.It's incredibly easy to usejust immerse the electrode and the readings are automatically displayed. With 0.01pH Resolution, you may get

    • UPC: 283515165
    • Color: Orange

  • Digital 4 In 1 TDS PH EC Temperature Meter Kit 0-9999us/cm Electrical Conductivity 0.01PH Resolution for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools

    PH Meter Specifications:Measuring Range: 0 to 14.0 pHResolution: 0.01 pHAccuracy: +/-0.01 pHUse Environment: 0 to 60℃(32 to 140℉ )Battery: 3 * 1.5V LR button cellProduct Size: 6.10 in * 1.19 in * 0.59 inColor: YellowTDS

    • UPC: 655322733

  • Digital PH Meter Tester Hydroponic Pool Water Aquarium Pocket Portable Wine

    Features:Excellent meter, very accurate and durable.With protective plastic case and calibration screwdriver.An ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food &beverage etc.In addition, you must calibrate this tester whenever the following happens:●

    • UPC: 368234140

  • Digital 4 In 1 TDS PH EC Temperature Meter Kit 0-9999us/cm Electrical Conductivity 0.01PH Resolution for Household Drinking Water, Hydroponics, Aquariums, Swimming Pools

    PH Meter Specifications:Measuring Range: 0 to 14.0 pHResolution: 0.01 pHAccuracy: +/-0.01 pHUse Environment: 0 to 60℃(32 to 140℉ )Battery: 3 * 1.5V LR button cellProduct Size: 6.10 in * 1.19 in * 0.59 inColor: YellowTDS

    • UPC: 888397273

  • PÜRATest Digital TDS Meter Water Quality Tester, 0-9990 PPM, Portable Carry Case, Scientific Hydroponics Aquarium Pool

    Science At Your FingertipsThe PURAtest TDS Meter is a professional level water test meter that fits in your pocket! TDS testing is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients),

    • UPC: 165746503
    • Rating: 5.0

  • HDE Grower's Toolbox- Digital pH Meter and TDS Water Temperature Purity Salinity ppm Pen for Hydroponic Pool Aquarium Fish Tank Water Quality

    Meter comes with protective plastic case and calibration screwdriver | Measures total dissolved solids (TDS) and temperatureTDS Range: 0-5000 ppm (mg/L) , Temperature Range: 0-80 °C; 32-176 °F | Resolution: 1 ppm; Temp. resolution is

    • UPC: 914614796

  • 10 Best pH Testers 2018

    10 Best pH Testers with Review & Details - Which is the Best pH Tester? - 2019

    Which pH Meter is best for you? | OCGFAM 54