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    Apera Instruments GroStar GS4 5-in-1 pH/EC/PPM/Temp Combo Pen

    GroStar Product DocumentsGroStar pH 4 Solution SDSGroStar pH 7 Solution SDSGroStar pH 10 Solution SDSGroStar ORP Storage Solution SDSLab grade instruments designed specifically for growers! The GS4 5-in-1 Combo Pen includes: pH 7 & pH 4 calibration...

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  • Bluelab Combo Meter Bluelab Combo Meter

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    Bluelab Product DocumentsBluelab Combo Meter InstructionsBluelab Combo Meter Troubleshooting InstructionsBluelab Combo Meter Spec SheetBluelab Conductivity Probe Cleaning GuideBluelab pH Probe Cleaning GuideThe Bluelab Combo Meter is the ultimate tool...

    $292.60
  • Milwaukee SPO pH/IDC/Temp/Data logging Controller with Wi-fi

    Milwaukee SPO pH/IDC/Temp/Data logging Controller with Wi-fi

    SPO pH/IDC/Temp/Data logging Controller with Wi-fiMilwaukee pH & Temperature Monitor with Wifi Easy to set up, these devices accurately control water variables with programmable hysteresis, automatic temp compensation and probe diagnostics. Incremental...

    $649.99 $480.79

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