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  • HM Digital C1000 TDS and EC Calibration NaCl Solution - 1000 ppm 3oz/89ml

    HM Digital C1000 TDS and EC Calibration NaCl Solution - 1000 ppm 3oz/89ml

    HM Digital C1000 TDS and EC Calibration NaCl Solution - 1000 ppm 3oz/89ml - Single. HM Digital C1000 TDS and EC Calibration NaCl Solution - 1000 ppm For optimal performance re-calibrate your meters periodically or if testing TDS or conductivity levels... more

    $4.95

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    (10,000+)
    Teksupply 112503 1000 Ppm Nacl Calibration Solution

    Teksupply 112503 1000 Ppm Nacl Calibration Solution

    Please see Reference Guide to ensure the proper solution for your tester.pH Buffers come in 12 powder pack. Each pack makes 100 ml of solution. One 100 ml bottle is included for mixing.pH Electrode Storage Solution comes in 60 cc container.TDS... more

    $27.41 $20.30

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    Teksupply 112505 Ph 4 Calibration Solution

    Teksupply 112505 Ph 4 Calibration Solution

    Please see Reference Guide to ensure the proper solution for your tester.pH Buffers come in 12 powder pack. Each pack makes 100 ml of solution. One 100 ml bottle is included for mixing.pH Electrode Storage Solution comes in 60 cc container.TDS... more

    $43.46 $32.19

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    HM Digital Calibration Fluid for Handheld TDS Meter - 3 oz.

    HM Digital Calibration Fluid for Handheld TDS Meter - 3 oz.

    NaCl calibration solution is designed for use with HM Digital's Handheld TDS Monitor. 342 ppm. more

    $11.09

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    (50,000+)
    General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 1 quart

    General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 1 quart

    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... more

    $52.29

    FREE shipping

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    Two Little Fishies AccuraSea Seawater Reference and Calibration Solution

    Two Little Fishies AccuraSea Seawater Reference and Calibration Solution

    Think you know what the salinity is in your aquarium? Use a refractometer? A swing-arm Hydrometer? Do you think important to maintain salinity precisely? Wearer with you. That's why we created Seawater Reference Solution, the only calibration solution... more

    $9.88

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    General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 1 pint

    General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 1 pint

    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... more

    $24.83

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    YSI 3842 Cal Solution, Ammonium, 10 mg/L, 500 mL

    YSI 3842 Cal Solution, Ammonium, 10 mg/L, 500 mL

    Ammonium Calibration Solution, 10 mg/L, 500 mL, For Use With YSI Professional Plus (G3459793) more

    $93.29

    FREE shipping

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    (25,000+)
    Hanna Instruments Hi 7007L Ph 7 Calibration Solution

    Hanna Instruments Hi 7007L Ph 7 Calibration Solution

    Hanna Instruments offers innovative solutions for testing and controlling analytical properties for effective soil nutrient management. Easy to use testers are well built reliable and will assist you in growing superior crops. Calibration storage and... more

    $25.68 $19.02

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    Hydrofarm Hmdc1000 1000Ppm Calibration Solution

    Hydrofarm Hmdc1000 1000Ppm Calibration Solution

    Calibration solution Sealed with a coated foam liner Lightweight HDPE plastic bottle 1000ppm Length 1.3Width 1.3Height 3.3 more

    $25.57 $18.94

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    Hydrofarm Hmdcom100 Waterproof Ec-Tds Temperature Combo Meter

    Hydrofarm Hmdcom100 Waterproof Ec-Tds Temperature Combo Meter

    Combo meter 3 different calibration options Each has its own non linear conversion factor Automatic temperature compensation Waterproof Length 8.9Width 2.1Height 2.9 more

    $83.36 $61.75

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    Sybon Standard Seawater 35 ppt Calibration Solution - 1 oz.

    Sybon Standard Seawater 35 ppt Calibration Solution - 1 oz.

    The Friscer Standard Seawater 35 ppt Calibration Solution is the standard solution for calibrating your refractometer. more

    $5.99

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    (50,000+)
    OAKTON WD3565302 Calibration Solution,pH,7.0,20 mL,PK 20

    OAKTON WD3565302 Calibration Solution,pH,7.0,20 mL,PK 20

    PH BUFFER SINGLES 7.0 OAKTON 20 ML OAKTON more

    $28.69

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    (25,000+)
    pH Calibration Fluid - 7.0

    pH Calibration Fluid - 7.0

    The pH 7.0 Calibration Fluid is a calibrated solution for American Marine Electronic pH Monitors and Controllers. This is a one time use only packet that is accurate to +/- .002. more

    $3.99

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    (50,000+)
    pH Calibration Fluid - 4.0

    pH Calibration Fluid - 4.0

    Pinpoint pH 4.000 high precision calibration solution for all pH meters. Accuracy: +0.002 at 77 degrees F (25 degrees C). Referenced to NIST standard materials. more

    $3.99

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    (50,000+)
    General Hydroponics TDS Calibration Solution 1500 ppm, 8 oz

    General Hydroponics TDS Calibration Solution 1500 ppm, 8 oz

    TDS Calibration Solution for use with TDS testers measuring 1500 PPM. Note: Not for use with Milwaukee (Sharp) meters. more

    $9.99

    FREE shipping

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    Hanna TDS Calibration Solution HI 70442, 1500 ppm, 230 ml

    Hanna TDS Calibration Solution HI 70442, 1500 ppm, 230 ml

    Hanna Instruments TDS Calibration Solution (HI 70442, 1500 ppm, 230 ml) is a premium-quality conductivity solution. Precision results and readings are certain when you calibrate your TDS instruments with this NIST999 potassium chloride and deionized... more

    $17.99

    FREE shipping

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    Handheld TDS 3 Meter Calibration Solution 342 PPM

    Handheld TDS 3 Meter Calibration Solution 342 PPM

    Check the function of your RO membrane and DI resin with this handy TDS3 (total dissolved solids) meter. Includes batteries. Comes precalibrated. Hold Function saves measurements for convenient reading and recording. Auto-off function. Measurement... more

    $8.99

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    (25,000+)
    "GH pH 4.01 Calibration Solution Quart (12/Cs)"

    "GH pH 4.01 Calibration Solution Quart (12/Cs)"

    " General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions... more

    $17.20

    FREE shipping

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    "General Hydroponics 1500 PPM Calibration Solution, 1 Quart"

    "General Hydroponics 1500 PPM Calibration Solution, 1 Quart"

    "General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics® technicians check each batch to ensure that our solutions... more

    $20.38

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    General Hydroponics pH Calibration 4.01 Solution, 8 oz

    General Hydroponics pH Calibration 4.01 Solution, 8 oz

    A few minutes and a small amount of this balanced pH Calibration Solution 4.01 are all growers need to adjust their pH meter and secure accurate nutrient solution readings. Available in an eight-ounce bottle. more

    $8.99

    FREE shipping

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    "General Hydroponics Standard 1500 ppm Calibration Solution - 8 oz."

    "General Hydroponics Standard 1500 ppm Calibration Solution - 8 oz."

    "General Hydroponics calibration solution is made with the highest quality electronic meter reference solutions in mind. This reference solution is calibrated for growers usiing most popular brands of meters using the NaCl scale. General Hydroponics... more

    $13.95

    FREE shipping

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    pH Calibration Solutions 10.01 pH Solution 25 pack

    pH Calibration Solutions 10.01 pH Solution 25 pack

    The replacement pH and mV ORP solution for the Milwaukee Smart Controllers. more

    $22.99

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    (25,000+)
    pH Calibration Solutions 7.01 pH Solution 25 pack

    pH Calibration Solutions 7.01 pH Solution 25 pack

    The replacement pH and mV ORP solution for the Milwaukee Smart Controllers. more

    $22.99

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    (25,000+)
    Bluelab 4.0 500 ML Calibration Solution

    Bluelab 4.0 500 ML Calibration Solution

    "The Bluelab Calibration Solutions are a very necessary part of a growers toolbox. They are required for the calibration and checking of Bluelab meters and controllers. Our solutions are manufactured specific to the calibration process and referenced... more

    $25.42

    FREE shipping

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    Hanna Solution Starter Kit (ph, Ec & Cleaning) Calibration Ph 7 1413 Μs/cm

    Hanna Solution Starter Kit (ph, Ec & Cleaning) Calibration Ph 7 1413 Μs/cm

    Hanna Solution Starter Kit (pH, EC Cleaning) Calibration pH 7 1413 µS/cm Hanna Solution Starter Kit (pH, EC Cleaning) Calibration pH 7 1413 µS/cm The pH, EC and Cleaning Solution Starter Kit from Hanna Instruments includes five 20 ml sachets each of pH... more

    $24.99

    FREE shipping

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    Hanna pH 10.01 Calibration Solution 20ml

    Hanna pH 10.01 Calibration Solution 20ml

    pH 10.01 Cal Pack, 20 Milliliters Packets more

    $1.49

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    HM Digital 1000ppm Calibration Solution

    HM Digital 1000ppm Calibration Solution

    "For optimal performance, re-calibrate your meters periodically FEATURES: NaCl calibration solution 1000 ppm., Comes in lightweight HDPE plastic bottles., Sealed with a coated foam liner., SPECIFICATIONS: NaCl solution, 1000 ppm, 3 oz. bottles (88.7... more

    $21.22

    FREE shipping

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    "HM Digital HMDC1000 1000ppm Calibration Solution"

    "HM Digital HMDC1000 1000ppm Calibration Solution"

    "HM Digital HMDC1000 1000ppm Calibration Solution HM Digital HMDC1000 1000ppm Calibration Solution Features: Calibration solution Sealed with a coated foam liner Lightweight HDPE plastic bottle 1000ppm Also includes a comprehensive and informative user... more

    $9.15

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    Hanna Solution Starter Kit (ph & Cleaning) Calibration Ph 4 Ph 7

    Hanna Solution Starter Kit (ph & Cleaning) Calibration Ph 4 Ph 7

    Hanna Solution Starter Kit (pH Cleaning) Calibration pH 4 pH 7 Hanna Solution Starter Kit (pH Cleaning) Calibration pH 4 pH 7 The pH and Cleaning Solution Starter Kit from Hanna Instruments includes five 20 ml sachets each of pH 7.01, pH 4.01 and... more

    $24.99

    FREE shipping

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    Hanna pH 4.01 Calibration Solution - 20ml

    Hanna pH 4.01 Calibration Solution - 20ml

    pH 4.01 Cal Pack, 20 Milliliters Packets more

    $1.49

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    Neptune Systems Apex Conductivity Calibration Solution 53.0 Ms Free Usa Shipping

    Neptune Systems Apex Conductivity Calibration Solution 53.0 Ms Free Usa Shipping

    Conductivity Calibration Solution – 53.0 mS Use this calibration solution to calibrate your APEX Conductivity Probe and APEX PM2 for salinity monitoring. 20 mL. Disclaimer and Limitation of Liability Reef-Shop and it's affiliates and subsidiaries,... more

    $5.24

    FREE shipping

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    "HI700661P - - pH Cleaning & Calibration Solution Starter Kit by Hanna Instruments"

    "HI700661P - - pH Cleaning & Calibration Solution Starter Kit by Hanna Instruments"

    "This convenient starter kit includes the cleaning and calibration solutions that will give you the most out of your meter, saving you money on replacement probes." more

    $29.50

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    American Marine Pinpoint Salinity Calibration Fluid

    American Marine Pinpoint Salinity Calibration Fluid

    * Precision calibration solution for electronic salinity monitors * 53.0 mS standardized fluid provides accurate reference point * Can also be used as a reference solution for refractometers Calibration solution for Salinity Monitors. This 53.0 mS... more

    $9.99

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    7.01 pH Buffer Solution

    7.01 pH Buffer Solution

    Use this 7.01pH solution for performing a one-point calibration, for storage of the electrode when not in use, and with the 4.01 pH solution for a more accurate, two-point calibration. Includes five 20-ml sachets. Test Equipment more

    $9.25

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    PF-300 - Ventillator Analyzer

    PF-300 - Ventillator Analyzer

    The FlowAnalyserTM PF-300 is the solution to all measurements you need to verify your pneumatic delivery systems. It is designed for field, as well as bench testing, calibration and certification and can archive test data during production. more

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    "Milwaukee pH Monitor MC120"

    "Milwaukee pH Monitor MC120"

    " Professional pH monitor User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter, mounting kit, and 20ml pH 7.01 calibration solution Double junction pH electrode with 2m cable (BNC connector) " more

    $119.16

    FREE shipping

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    Milwaukee Instruments Milwaukee pH Monitor MC110 716682

    Milwaukee Instruments Milwaukee pH Monitor MC110 716682

    Milwaukee Instruments pH Monitor - MC110 Professional pH monitor User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter, mounting kit, and 20ml pH 7.01 calibration solution Double junction pH... more

    $102.20

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    "Milwaukee pH Monitor MC110"

    "Milwaukee pH Monitor MC110"

    " Professional pH monitor User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter, mounting kit, and 20ml pH 7.01 calibration solution Double junction pH electrode with 2m cable (BNC connector) " more

    $119.16

    FREE shipping

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    Milwaukee Instruments Milwaukee pH Monitor MC120 716684

    Milwaukee Instruments Milwaukee pH Monitor MC120 716684

    Milwaukee Instruments pH Monitor - MC120 Professional pH monitor User selectable Hi/Low Set Point Manual 2 points calibration Visual LED alarm Supplied with 12 VDC adapter, mounting kit, and 20ml pH 7.01 calibration solution Double junction pH... more

    $102.20

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