Meters & Testers

Showing 1–12 of 23 results

  • Bluelab Pro Controller
    $1,055.46
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  • HM Digital PH-80 pH Tester
    $37.20
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  • Groline Waterproof pH Tester
    $63.20
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  • Hanna Checker Plus pH Tester
    $50.14
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  • Bluelab Conductivity Pen
    $75.20
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  • Bluelab Combo Meter
    $246.40
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  • General Hydroponics pH Indicator Solution, 8 oz
    $9.69
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  • General Hydroponics pH Test Kit
    $7.19
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  • Groline Monitor pH/EC/TDS
    $311.20
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  • Groline Waterproof Portable Combo Meter
    $207.20
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  • Groline Hydroponics pH Tester
    $47.20
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  • HM Digital Waterproof pH Meter
    $76.44
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