• Sale!

    Batteries for pH/TDS pen, pack of 4

    $6.95 $5.21
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  • Sale!

    BlueLab Combo Meter

    $308.00 $231.00
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    Bluelab Commercial Truncheon Meter

    $140.00 $105.00
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    Bluelab Connect Range Extender

    $164.00 $123.00
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    Bluelab Connect Stick

    $150.00 $112.50
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  • Sale!

    Bluelab Grower’s Toolbox-Limited Edition

    $199.00 $149.25
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    Bluelab Guardian Monitor

    $364.00 $273.00
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    Bluelab Guardian Monitor Connect

    $450.00 $337.50
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  • Sale!

    Bluelab Guardian Monitor Power Supply

    $22.60 $16.95
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  • Sale!

    Bluelab Meter Carry Case

    $25.00 $18.75
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  • Sale!

    Bluelab pH Controller

    $569.00 $426.75
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  • Sale!

    Bluelab pH Controller Connect

    $629.00 $471.75
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  • Sale!

    Bluelab pH meter with probe

    $210.00 $157.50
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  • Sale!

    Bluelab pH Pen

    $112.50 $84.38
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  • Sale!

    Bluelab pH Replacement Electrode for Combo & pH Meter

    $70.00 $52.50
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  • Sale!

    Bluelab PPM Pen

    $94.00 $70.50
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  • Sale!

    Bluelab Probe Care Kit Conductivity

    $11.90 $8.93
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  • Sale!

    Bluelab Probe Care Kit pH & Conductivity

    $22.95 $17.21
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  • Sale!

    Bluelab Probe Care Kit-pH

    $16.95 $12.71
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  • Sale!

    Bluelab Soil pH Meter

    $240.00 $180.00
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  • Sale!

    Bluelab Soil PH Pen

    $185.00 $138.75
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  • Sale!

    Bluelab Soil pH Probe

    $110.00 $82.50
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    Bluelab Truncheon Meter

    $140.00 $105.00
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  • Sale!

    Calibration Solution 1500PPM

    $1.40 $1.05
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  • Sale!

    Champ pH Tester

    $62.99 $47.24
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  • Sale!

    Combo pH/ ORP/ Temperature Tester

    $232.99 $174.74
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  • Sale!

    Combo pH/EC/TDS/C/PPM Tester

    $199.99 $149.99
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  • Sale!

    Conductivity/TDS Probe for Soil Measurement of HI993310

    $156.95 $117.71
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  • Sale!

    Cont. pH/TDS/temp Monitor

    $252.95 $189.71
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  • Sale!

    Continuous Monitor/Portable PH meter

    $151.99 $113.99
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