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New products

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    Bluelab pH 4.0 Calibration Solution 20 ml Sachets, Pack of 25 Pieces

    Original price $36.49 - Original price $36.49
    Original price
    $36.49
    $36.49 - $36.49
    Current price $36.49

    Price shown is per unit; add to cart for case price.

    Original price $36.49 - Original price $36.49
    Original price
    $36.49
    $36.49 - $36.49
    Current price $36.49
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    Bluelab 2.77EC Conductivity Solution 500 ml

    Original price $18.90
    Original price $18.90 - Original price $18.90
    Original price $18.90
    Current price $12.44
    $12.44 - $12.44
    Current price $12.44

    The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions shoul...

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    Original price $18.90
    Original price $18.90 - Original price $18.90
    Original price $18.90
    Current price $12.44
    $12.44 - $12.44
    Current price $12.44
    Out of Stock
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    Bluelab 2.77EC Conductivity Solution 250 ml

    Original price $10.50
    Original price $10.50 - Original price $10.50
    Original price $10.50
    Current price $6.91
    $6.91 - $6.91
    Current price $6.91

    The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions shoul...

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    Original price $10.50
    Original price $10.50 - Original price $10.50
    Original price $10.50
    Current price $6.91
    $6.91 - $6.91
    Current price $6.91
    Out of Stock
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    Bluelab pH 4.0 Calibration Solution 500 ml

    Original price $18.90
    Original price $18.90 - Original price $18.90
    Original price $18.90
    Current price $10.53
    $10.53 - $10.53
    Current price $10.53

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

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    Original price $18.90
    Original price $18.90 - Original price $18.90
    Original price $18.90
    Current price $10.53
    $10.53 - $10.53
    Current price $10.53
    Out of Stock
  • Out of Stock

    Bluelab pH 4.0 Calibration Solution 250 ml

    Original price $10.50
    Original price $10.50 - Original price $10.50
    Original price $10.50
    Current price $6.91
    $6.91 - $6.91
    Current price $6.91

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

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    Original price $10.50
    Original price $10.50 - Original price $10.50
    Original price $10.50
    Current price $6.91
    $6.91 - $6.91
    Current price $6.91
    Out of Stock
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    Bluelab pH 7.0 Calibration Solution 500 ml

    Original price $18.90
    Original price $18.90 - Original price $18.90
    Original price $18.90
    Current price $10.53
    $10.53 - $10.53
    Current price $10.53

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

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    Original price $18.90
    Original price $18.90 - Original price $18.90
    Original price $18.90
    Current price $10.53
    $10.53 - $10.53
    Current price $10.53
    Out of Stock
  • Out of Stock

    Bluelab pH 7.0 Calibration Solution 250 ml

    Original price $10.50 - Original price $10.50
    Original price $10.50
    $10.50
    $10.50 - $10.50
    Current price $10.50

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

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    Original price $10.50 - Original price $10.50
    Original price $10.50
    $10.50
    $10.50 - $10.50
    Current price $10.50
    Out of Stock
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    Bluelab pH 7.0 Calibration Solution 20 ml Sachets, Pack of 25 Pieces

    Original price $36.49 - Original price $36.49
    Original price
    $36.49
    $36.49 - $36.49
    Current price $36.49

    Price shown is per unit; add to cart for case price.

    Original price $36.49 - Original price $36.49
    Original price
    $36.49
    $36.49 - $36.49
    Current price $36.49
    Out of Stock
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    GH pH Test Kit 1 oz

    Original price $9.59
    Original price $9.59 - Original price $9.59
    Original price $9.59
    Current price $5.93
    $5.93 - $5.93
    Current price $5.93

    General Hydroponics® pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and obs...

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    Original price $9.59
    Original price $9.59 - Original price $9.59
    Original price $9.59
    Current price $5.93
    $5.93 - $5.93
    Current price $5.93
    Out of Stock
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    GH pH 7.01 Calibration Solution Quart

    Original price $25.75
    Original price $25.75 - Original price $25.75
    Original price $25.75
    Current price $13.95
    $13.95 - $13.95
    Current price $13.95

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

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    Original price $25.75
    Original price $25.75 - Original price $25.75
    Original price $25.75
    Current price $13.95
    $13.95 - $13.95
    Current price $13.95
    Out of Stock
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    GH pH 7.01 Calibration Solution 8 oz

    Original price $9.03
    Original price $9.03 - Original price $9.03
    Original price $9.03
    Current price $4.31
    $4.31 - $4.31
    Current price $4.31

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

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    Original price $9.03
    Original price $9.03 - Original price $9.03
    Original price $9.03
    Current price $4.31
    $4.31 - $4.31
    Current price $4.31
    Out of Stock
  • Out of Stock

    GH pH 4.01 Calibration Solution Quart

    Original price $25.75
    Original price $25.75 - Original price $25.75
    Original price $25.75
    Current price $13.95
    $13.95 - $13.95
    Current price $13.95

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

    查看完整细节
    Original price $25.75
    Original price $25.75 - Original price $25.75
    Original price $25.75
    Current price $13.95
    $13.95 - $13.95
    Current price $13.95
    Out of Stock
  • Out of Stock

    GH pH 4.01 Calibration Solution 8 oz

    Original price $9.03
    Original price $9.03 - Original price $9.03
    Original price $9.03
    Current price $4.92
    $4.92 - $4.92
    Current price $4.92

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

    查看完整细节
    Original price $9.03
    Original price $9.03 - Original price $9.03
    Original price $9.03
    Current price $4.92
    $4.92 - $4.92
    Current price $4.92
    Out of Stock
  • Out of Stock

    GH 1500 PPM Reference Solution 8 oz

    Original price $5.99 - Original price $5.99
    Original price
    $5.99
    $5.99 - $5.99
    Current price $5.99

    Original price $5.99 - Original price $5.99
    Original price
    $5.99
    $5.99 - $5.99
    Current price $5.99
    Out of Stock
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    Rapitest Digital Plus Soil pH Meter

    Original price $23.54 - Original price $23.54
    Original price
    $23.54
    $23.54 - $23.54
    Current price $23.54

    Original price $23.54 - Original price $23.54
    Original price
    $23.54
    $23.54 - $23.54
    Current price $23.54
    Out of Stock
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    Rapitest Digital Soil pH Meter

    Original price $21.79 - Original price $21.79
    Original price
    $21.79
    $21.79 - $21.79
    Current price $21.79

    Rapitest Digital Soil pH Meter indicates soil pH levels from 3.5 to 9.0 in a digital readout. The meter’s probe measures 5.625 inches long. Printed...

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    Original price $21.79 - Original price $21.79
    Original price
    $21.79
    $21.79 - $21.79
    Current price $21.79
    Out of Stock
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    Luster Leaf Rapitest Digital Moisture Meter

    Original price $19.49 - Original price $19.49
    Original price
    $19.49
    $19.49 - $19.49
    Current price $19.49

    Rapitest Digital Moisture Meter indicates soil moisture level in a digital readout from 0 to 9.9. The meter’s probe measures 5.625 inches. Printed ...

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    Original price $19.49 - Original price $19.49
    Original price
    $19.49
    $19.49 - $19.49
    Current price $19.49
    Out of Stock
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    Milwaukee Martini pH55 - pH-Temp Tester

    Original price $62.10 - Original price $62.10
    Original price
    $62.10
    $62.10 - $62.10
    Current price $62.10

    Original price $62.10 - Original price $62.10
    Original price
    $62.10
    $62.10 - $62.10
    Current price $62.10
    Out of Stock
  • Out of Stock

    Rapitest Soil Test pH N,P,K (6-Cs)

    Original price $22.79 - Original price $22.79
    Original price
    $22.79
    $22.79 - $22.79
    Current price $22.79

    Rapitest Soil Test Kit uses a patented color comparator test system. Performs forty (40) tests, ten (10) each for soil pH, Nitrogen, Phosphorus and...

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    Original price $22.79 - Original price $22.79
    Original price
    $22.79
    $22.79 - $22.79
    Current price $22.79
    Out of Stock
  • Out of Stock

    Rapitest pH Soil Tester (12-Cs)

    Original price $4.49 - Original price $4.49
    Original price $4.49
    $8.79
    $8.79 - $8.79
    Current price $8.79

    Rapitest Soil pH Test Kit uses a patented color comparator test system. Performs ten (10) tests for soil pH. Test results allow the gardener to ame...

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    Original price $4.49 - Original price $4.49
    Original price $4.49
    $8.79
    $8.79 - $8.79
    Current price $8.79
    Out of Stock
  • Out of Stock

    Rapitest Mini pH Tester

    Original price $6.30 - Original price $6.30
    Original price
    $6.30
    $6.30 - $6.30
    Current price $6.30

    Original price $6.30 - Original price $6.30
    Original price
    $6.30
    $6.30 - $6.30
    Current price $6.30
    Out of Stock
  • Out of Stock

    Luster Leaf Rapitest 4 Way Analyzer (3-Cs)

    Original price $39.79 - Original price $39.79
    Original price
    $39.79
    $39.79 - $39.79
    Current price $39.79

    Rapitest 4-Way Analyzer incorporates a three (3) probe design. The unit determines soil pH (acidity/alkalinity), fertility (combined N-P-K levels),...

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    Original price $39.79 - Original price $39.79
    Original price
    $39.79
    $39.79 - $39.79
    Current price $39.79
    Out of Stock
  • Out of Stock

    Rapitest Soil pH Meter

    Original price $25.99 - Original price $25.99
    Original price
    $25.99
    $25.99 - $25.99
    Current price $25.99

    Rapitest soil pH meter determines the pH (acidity/alkalinity) of garden soil within 60 seconds on the 3.5 to 9 portion of the pH scale.. With this ...

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    Original price $25.99 - Original price $25.99
    Original price
    $25.99
    $25.99 - $25.99
    Current price $25.99
    Out of Stock
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    Milwaukee pH Controller

    Original price $161.99 - Original price $161.99
    Original price
    $161.99
    $161.99 - $161.99
    Current price $161.99

    Original price $161.99 - Original price $161.99
    Original price
    $161.99
    $161.99 - $161.99
    Current price $161.99
    Out of Stock
  • Out of Stock

    Milwaukee MW100 Portable pH Meter

    Original price $86.59 - Original price $86.59
    Original price
    $86.59
    $86.59 - $86.59
    Current price $86.59

    Original price $86.59 - Original price $86.59
    Original price
    $86.59
    $86.59 - $86.59
    Current price $86.59
    Out of Stock
  • Out of Stock

    Milwaukee pH Meter pH600 AQ

    Original price $24.99 - Original price $24.99
    Original price
    $24.99
    $24.99 - $24.99
    Current price $24.99

    Original price $24.99 - Original price $24.99
    Original price
    $24.99
    $24.99 - $24.99
    Current price $24.99
    Out of Stock
  • Out of Stock

    Milwaukee SE600 Replacement Probe for MW802

    Original price $84.35 - Original price $84.35
    Original price
    $84.35
    $84.35 - $84.35
    Current price $84.35

    Original price $84.35 - Original price $84.35
    Original price
    $84.35
    $84.35 - $84.35
    Current price $84.35
    Out of Stock
  • Out of Stock

    Milwaukee MW802 Smart pH-EC-TDS- Combination Meter

    Original price $186.42 - Original price $186.42
    Original price
    $186.42
    $186.42 - $186.42
    Current price $186.42

    Original price $186.42 - Original price $186.42
    Original price
    $186.42
    $186.42 - $186.42
    Current price $186.42
    Out of Stock
  • Out of Stock

    Accurate pH 8 Soil pH & Moisture Meter

    Original price $71.99 - Original price $71.99
    Original price
    $71.99
    $71.99 - $71.99
    Current price $71.99

    Original price $71.99 - Original price $71.99
    Original price
    $71.99
    $71.99 - $71.99
    Current price $71.99
    Out of Stock
  • Out of Stock

    Accurate pH 7 Soil pH & Moisture Meter

    Original price $42.80 - Original price $42.80
    Original price
    $42.80
    $42.80 - $42.80
    Current price $42.80

    Original price $42.80 - Original price $42.80
    Original price
    $42.80
    $42.80 - $42.80
    Current price $42.80
    Out of Stock
  • Out of Stock

    24-7 Nutrient Monitor

    Original price $159.99 - Original price $159.99
    Original price
    $159.99
    $159.99 - $159.99
    Current price $159.99

    Original price $159.99 - Original price $159.99
    Original price
    $159.99
    $159.99 - $159.99
    Current price $159.99
    Out of Stock
  • Out of Stock

    Bluelab Connect Range Extender

    Original price $232.14
    Original price $232.14 - Original price $232.14
    Original price $232.14
    Current price $151.28
    $151.28 - $151.28
    Current price $151.28

    The Bluelab® Guardian Monitor Connect, Bluelab® Connect Stick, Bluelab® Connect Range Extender and Bluelab® Connect Software. The Bluelab® Guardian...

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    Original price $232.14
    Original price $232.14 - Original price $232.14
    Original price $232.14
    Current price $151.28
    $151.28 - $151.28
    Current price $151.28
    Out of Stock
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    Bluelab Connect Stick

    Original price $168.54
    Original price $168.54 - Original price $168.54
    Original price $168.54
    Current price $109.84
    $109.84 - $109.84
    Current price $109.84

    The Bluelab® Guardian Monitor Connect, Bluelab® Connect Stick, Bluelab® Connect Range Extender and Bluelab® Connect Software. The Bluelab® Guardian...

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    Original price $168.54
    Original price $168.54 - Original price $168.54
    Original price $168.54
    Current price $109.84
    $109.84 - $109.84
    Current price $109.84
    Out of Stock
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    Bluelab Guardian Connect

    Original price $507.74
    Original price $507.74 - Original price $507.74
    Original price $507.74
    Current price $330.90
    $330.90 - $330.90
    Current price $330.90

    The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient so...

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    Original price $507.74
    Original price $507.74 - Original price $507.74
    Original price $507.74
    Current price $330.90
    $330.90 - $330.90
    Current price $330.90
    Out of Stock
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    Bluelab PPM Pen

    Original price $104.94
    Original price $104.94 - Original price $104.94
    Original price $104.94
    Current price $68.39
    $68.39 - $68.39
    Current price $68.39

    Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful ...

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    Original price $104.94
    Original price $104.94 - Original price $104.94
    Original price $104.94
    Current price $68.39
    $68.39 - $68.39
    Current price $68.39
    Out of Stock
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    Bluelab pH Pen

    Original price $126.14
    Original price $126.14 - Original price $126.14
    Original price $126.14
    Current price $82.20
    $82.20 - $82.20
    Current price $82.20

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

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    Original price $126.14
    Original price $126.14 - Original price $126.14
    Original price $126.14
    Current price $82.20
    $82.20 - $82.20
    Current price $82.20
    Out of Stock
  • Out of Stock

    Bluelab Replacement pH Probe

    Original price $83.74
    Original price $83.74 - Original price $83.74
    Original price $83.74
    Current price $54.57
    $54.57 - $54.57
    Current price $54.57

    The Bluelab® Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab® Combo Meter is portable and does not require a pow...

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    Original price $83.74
    Original price $83.74 - Original price $83.74
    Original price $83.74
    Current price $54.57
    $54.57 - $54.57
    Current price $54.57
    Out of Stock
  • Out of Stock

    Bluelab Combo Meter

    Original price $348.74
    Original price $348.74 - Original price $348.74
    Original price $348.74
    Current price $227.27
    $227.27 - $227.27
    Current price $227.27

    Light weight and portable Measures pH, Nutrient and Temperature Three display options for nutrient - EC, CF, ppm (500 scale) Two display optio...

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    Original price $348.74
    Original price $348.74 - Original price $348.74
    Original price $348.74
    Current price $227.27
    $227.27 - $227.27
    Current price $227.27
    Out of Stock
  • Out of Stock

    Bluelab Soil pH Pen

    Original price $210.94
    Original price $210.94 - Original price $210.94
    Original price $210.94
    Current price $119.06
    $119.06 - $119.06
    Current price $119.06

    Original price $210.94
    Original price $210.94 - Original price $210.94
    Original price $210.94
    Current price $119.06
    $119.06 - $119.06
    Current price $119.06
    Out of Stock
  • Out of Stock

    Future Harvest Nutradip pH Replacement Probe

    Original price $41.43 - Original price $41.43
    Original price
    $41.43
    $41.43 - $41.43
    Current price $41.43

    Original price $41.43 - Original price $41.43
    Original price
    $41.43
    $41.43 - $41.43
    Current price $41.43
    Out of Stock
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    Future Harvest Nutradip pH Meter Dual Power AC DC

    Original price $95.92 - Original price $95.92
    Original price
    $95.92
    $95.92 - $95.92
    Current price $95.92

    Original price $95.92 - Original price $95.92
    Original price
    $95.92
    $95.92 - $95.92
    Current price $95.92
    Out of Stock
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    Future Harvest Nutradip Nutrient Meter EC Dual Power AC DC

    Original price $92.82 - Original price $92.82
    Original price
    $92.82
    $92.82 - $92.82
    Current price $92.82

    Original price $92.82 - Original price $92.82
    Original price
    $92.82
    $92.82 - $92.82
    Current price $92.82
    Out of Stock
  • Out of Stock

    Bluelab pH Meter

    Original price $170.27 - Original price $170.27
    Original price
    $170.27
    $170.27 - $170.27
    Current price $170.27

    The Bluelab pH Meter is used to accurately measure the pH value of a solution. Simply place the pH probe into the solution and the reading will b...

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    Original price $170.27 - Original price $170.27
    Original price
    $170.27
    $170.27 - $170.27
    Current price $170.27
    Out of Stock
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    Milwaukee M10007B - 20 ml Packet 7.01 Buffer Solution, Pack of 25 Pieces

    Original price $21.56
    Original price $21.56 - Original price $21.56
    Original price $21.56
    Current price $20.45
    $20.45 - $20.45
    Current price $20.45

    Price shown is per unit; add to cart for case price.

    Original price $21.56
    Original price $21.56 - Original price $21.56
    Original price $21.56
    Current price $20.45
    $20.45 - $20.45
    Current price $20.45
    Out of Stock
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    Out of Stock

    Bluelab Growers Toolbox

    Original price $212.99 - Original price $212.99
    Original price
    $212.99
    $212.99 - $212.99
    Current price $212.99

    Original price $212.99 - Original price $212.99
    Original price
    $212.99
    $212.99 - $212.99
    Current price $212.99
    Out of Stock
  • Out of Stock

    Bluelab Soil pH Replacement Probe

    Original price $82.05 - Original price $82.05
    Original price
    $82.05
    $82.05 - $82.05
    Current price $82.05

    Original price $82.05 - Original price $82.05
    Original price
    $82.05
    $82.05 - $82.05
    Current price $82.05
    Out of Stock
  • Out of Stock

    Bluelab Soil pH Meter

    Original price $185.51 - Original price $185.51
    Original price
    $185.51
    $185.51 - $185.51
    Current price $185.51

    Original price $185.51 - Original price $185.51
    Original price
    $185.51
    $185.51 - $185.51
    Current price $185.51
    Out of Stock
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    HM Digital Aquapro TDS Water Tester

    Original price $25.80 - Original price $25.80
    Original price
    $25.80
    $25.80 - $25.80
    Current price $25.80

    Original price $25.80 - Original price $25.80
    Original price
    $25.80
    $25.80 - $25.80
    Current price $25.80
    Out of Stock