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Home » Hydrologic
  • icon Grow Lights (244)
    • Systems/ Kits (21)
    • LEDs (51)
    • Fluorescents (67)
    • Reflectors (5)
    • Lamps/ Bulbs (23)
    • Ballasts (5)
    • Parts/ Accessories (72)
  • icon Fertilizers & Nutrients (1445)
  • icon Hydroponics (551)
    • Hydro Systems (53)
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    • Grow Tents (29)
  • icon Potting Soil & Mixes (196)
  • icon Climate Control (340)
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  • icon Seed Starting (108)
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  • icon Harvest & Storage (22)
  • icon Books & Videos (0)
  • HydroLogic 1/4" QC x 1/4" MNPT – Straight

    1/4" QC x 1/4" MNPT - straight: included with Small Boy for inlet and outlet.

    $3.42

  • Hydrologic Add-On De-Ionization Kit for Evolution-RO 1000 – 4.5"x1

    A post polishing de-ionization filter that removes any remaining PPM down to zero.

    $152.23

  • Hydrologic De-Ionization Cartridge, Color Changing

    De-Ionization Cartridge (Big): 10" X 4.5"- Color changing- Transluscent housing  

    $62.25

  • Hydrologic MicRO RO Membrane, 75 GPD

    MicRO 75 GPD RO replacement membrane.

    $31.15

  • Hydrologic Replacement Carbon Filter for Tall Boy and Tall Blue

    Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydrologic's newest offering in replacement filters for ...

    $47.85

  • Hydrologic Replacement Pleated Sediment Filter for stealth-RO Reverse Osmosis Filtration System

    Replacement filter for Hydrologic's stealth-RO 100 Customized Reverse Osmosis Sediment Filter (HLRO100). Easy to install. Keep your water filtration system ...

    $11.26

  • Hydrologic Replacement Wrench for Std Housing, 2.5″

    2.5 inch replacement wrench for standard housing on the Hydrologic Reverse Osmosis Water filtration systems.

    $3.42

  • HydroLogic Stealth-RO150 Reverse Osmosis Filter

    Stealth-RO150 Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth includes your choice of ...

    $166.08

  • Hydrologic Tall Blue/Boy Replacement Carbon Filter

    For use with the Hydrologic water filtration systems in indoor garden hydroponics. This is a replacement carbon filter for Tall ...

    $9.00

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Best Sellers

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