Collection: Water & Media Testing

28 products
  • General Hydroponics pH Down Liquid Quart
    GH pH Down Liquid Quart (12/Cs)
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    $15.50
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    $15.50
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  • General Hydroponics pH Control Kit
    GH pH Control Kit (12/Cs)
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    $21.99
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    $21.99
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  • General Hydroponics pH Down Liquid Gallon
    GH pH Down Liquid Gallon (4/Cs)
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    $39.00
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    $39.00
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  • Bluelab pH 7.0 Calibration Solution 250 ml
    Bluelab pH 7.0 Calibration Solution 250 ml (6/Cs)
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    $11.99
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    $11.99
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  • General Hydroponics pH Test Kit 1 oz
    GH pH Test Kit 1 oz (24/Cs)
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    $9.99
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    $9.99
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  • General Hydroponics pH Up Liquid Quart
    GH pH Up Liquid Quart (12/Cs)
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    $13.99
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    $13.99
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  • Bluelab pH 4.0 Calibration Solution 250 ml
    Bluelab pH 4.0 Calibration Solution 250 ml (6/Cs)
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    $11.99
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    $11.99
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  • Bluelab pH Pen
    Bluelab pH Pen
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    $129.00
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    $129.00
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  • Bluelab pH Probe KCl Storage Solution 120 ml
    Bluelab pH Probe KCl Storage Solution 100 ml (6/Cs)
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    $15.99
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    $15.99
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  • Bluelab pH and Ec Pen *BUNDLE*
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    $165.00
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    $165.00
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  • HM Digital pH 80 Meter
    HM Digital pH 80 Meter
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    $55.99
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    $55.99
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  • Milwaukee Instruments pH 7 Calibration Solution, 20 ml Sachets
    Milwaukee Instruments pH 7 Calibration Solution, 20 ml Sachets, case of 25
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    $1.99
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    $1.99
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  • Bluelab 2.77EC Conductivity Solution 250 ml
    Bluelab 2.77EC Conductivity Solution 250 ml (6/Cs)
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    $13.00
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    $13.00
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  • Aqua Master Calibration Solution pH 7.00 100ml
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    $7.70
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    $7.70
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  • Aqua Master Calibration Solution pH 4.01 100ml
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    $7.70
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    $7.70
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  • Rapitest Soil pH Tester
    Regular price
    $15.50
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    $15.50
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  • Bluelab Conductivity Pen
    Bluelab Conductivity Pen
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    $104.00
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    $104.00
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  • HM Digital Handheld TDS-3 Tester
    HM Digital Handheld TDS-3 Tester
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    $32.99
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    $32.99
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  • HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)
    HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)
    Regular price
    $49.99
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    $49.99
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  • Bluelab Soil pH Pen
    Bluelab Soil pH Pen
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    $220.99
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    $220.99
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  • General Hydronics pH Up Liquid Gallon
    GH pH Up Liquid Gallon (4/Cs)
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    $32.99
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    $32.99
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  • Bluelab Probe Care pH & Conductivity
    Bluelab Probe Care pH & Conductivity
    Regular price
    $37.99
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    $37.99
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  • Bluelab Leap pH Probe (Probe Only)
    Bluelab Leap pH Probe (Probe Only)
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    $135.99
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    $135.99
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  • Bluelab Replacement pH Probe
    Bluelab Replacement pH Probe
    Regular price
    $81.99
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    $81.99
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  • Bluelab Multimedia pH Meter (Leap Probe Included)
    Bluelab Multimedia pH Meter (Leap Probe Included)
    Regular price
    $299.99
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    $299.99
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  • Bluelab Combo Meter
    Bluelab Combo Meter
    Regular price
    $335.99
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    $335.99
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  • Bluelab Carry Case
    Bluelab Carry Case
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    $37.99
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    $37.99
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  • Bluelab Original Truncheon Meter
    Bluelab Original Truncheon Meter
    Regular price
    $149.99
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    $149.99
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