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Relationships may come and go, but a happy grow is forever! 🌱💡 VIEW ALL VALENTINE'S DAY DISCOUNTS
Relationships may come and go, but a happy grow is forever! 🌱💡 VIEW ALL VALENTINE'S DAY DISCOUNTS
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GroLine / HRG

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  • GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester (HI98131) - LED Grow Lights Depot
    $248.00 - $248.00
    $248.00
    $248.00 - $248.00
    $248.00

    GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester (HI98131)

    HI98131 Waterproof Pocket pH/EC/TDS/Temperature Tester The HI98131 is a slim, lightweight, and waterproof pocket tester that measures pH, conducti...

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    $248.00 - $248.00
    $248.00
    $248.00 - $248.00
    $248.00
  • GroLine Hydroponics pH Tester (HI98115) - LED Grow Lights Depot
    $66.00 - $66.00
    $66.00
    $66.00 - $66.00
    $66.00

    GroLine Hydroponics pH Tester (HI98115)

    HI98115 GroLine Hydroponics pH Tester The HI98115 is a GroLine pH tester with advanced features for the measurement of pH in hydroponic nut...

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    $66.00 - $66.00
    $66.00
    $66.00 - $66.00
    $66.00
  • GroLine Monitor for Hydroponic Nutrients (HI981420) - LED Grow Lights Depot
    $435.00 - $435.00
    $435.00
    $435.00 - $435.00
    $435.00

    GroLine Monitor for Hydroponic Nutrients (HI981420)

    HI981420 Hydroponics Monitor The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conduc...

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    $435.00 - $435.00
    $435.00
    $435.00 - $435.00
    $435.00
  • GroLine Monitor for Hydroponic Nutrients with Inline Probe (HI981421) - LED Grow Lights Depot
    $556.00 - $556.00
    $556.00
    $556.00 - $556.00
    $556.00

    GroLine Monitor for Hydroponic Nutrients with Inline Probe (HI981421)

    HI981421 Monitor for Hydroponic Nutrients with Inline Prober The HI981421 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, con...

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    $556.00 - $556.00
    $556.00
    $556.00 - $556.00
    $556.00
  • GroLine Nutrient Dosing System (HI981413) - LED Grow Lights Depot
    $451.00 - $741.00
    $451.00
    $451.00 - $741.00
    $451.00

    GroLine Nutrient Dosing System (HI981413)

    HI981413 Nutrient Dosing System The HI981413 Nutrient Dosing System is engineered for maintaining the concentration of fertilizer in the nutrient ...

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    $451.00 - $741.00
    $451.00
    $451.00 - $741.00
    $451.00
  • GroLine pH Dosing System (HI981412) - LED Grow Lights Depot
    $446.00 - $736.00
    $446.00
    $446.00 - $736.00
    $446.00

    GroLine pH Dosing System (HI981412)

    HI981412 pH Dosing System Maintaining the correct pH of plant soil or hydroponic nutrient solution is an ongoing task. Macro and micro nutrients, ...

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    $446.00 - $736.00
    $446.00
    $446.00 - $736.00
    $446.00
  • GroLine Soil pH Tester (HI981030) - LED Grow Lights Depot
    $143.00 - $143.00
    $143.00
    $143.00 - $143.00
    $143.00

    GroLine Soil pH Tester (HI981030)

    HI981030 Soil pH Tester Designed to bring simplicity to pH testing of soil, the HI981030 GroLine Soil pH Tester is designed for taking dire...

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    $143.00 - $143.00
    $143.00
    $143.00 - $143.00
    $143.00
  • GroLine Soil Test™ Direct Soil Conductivity Tester (HI98331) - LED Grow Lights Depot
    $142.00 - $142.00
    $142.00
    $142.00 - $142.00
    $142.00

    GroLine Soil Test™ Direct Soil Conductivity Tester (HI98331)

    HI98331 Direct Soil Conductivity Tester The HI98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivit...

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    $142.00 - $142.00
    $142.00
    $142.00 - $142.00
    $142.00
  • GroLine Waterproof EC/TDS (ppm) Tester (HI98318) - LED Grow Lights Depot
    $104.00 - $104.00
    $104.00
    $104.00 - $104.00
    $104.00

    GroLine Waterproof EC/TDS (ppm) Tester (HI98318)

    HI98318 Waterproof EC/TDS (ppm) Tester The HI98318 is our latest pocket meter for measuring the EC/TDS of a hydroponic nutrient solution. Th...

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    $104.00 - $104.00
    $104.00
    $104.00 - $104.00
    $104.00
  • GroLine Waterproof Hydroponic pH Tester (HI98118) - LED Grow Lights Depot
    $104.00 - $104.00
    $104.00
    $104.00 - $104.00
    $104.00

    GroLine Waterproof Hydroponic pH Tester (HI98118)

    HI98118 Waterproof Hydroponic pH Tester The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydro...

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    $104.00 - $104.00
    $104.00
    $104.00 - $104.00
    $104.00
  • GroLine Waterproof Portable pH/EC/TDS Meter (HI9814) - LED Grow Lights Depot
    $307.00 - $307.00
    $307.00
    $307.00 - $307.00
    $307.00

    GroLine Waterproof Portable pH/EC/TDS Meter (HI9814)

    HI9814 Waterproof Portable pH/EC/TDS Meter Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifi...

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    $307.00 - $307.00
    $307.00
    $307.00 - $307.00
    $307.00

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