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    Hydrologic Upgrade Kit, converts stealthRO 100 to stealthRO 200

    Hydrologic Upgrade Kit, converts stealthRO 100 to stealthRO 200

    Provides all of the elements and instructions to upgrade a Hydro-Logic Stealth RO-100 to a Stealth RO-200. more

    $76.15

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    Hydro-Logic 22110 10-Inch by 2.5-Inch Stealth RO/Small Boy Carbon Filter Green Coconut

    Hydro-Logic 22110 10-Inch by 2.5-Inch Stealth RO/Small Boy Carbon Filter Green Coconut

    Standard carbon pre-filter included with systems. HydroLogic Stealth KDF85 Carbon Filter. Fits HydroLogic Small Boy and Stealth-RO100/200 Systems. more

    $17.99

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    Hydro-Logic HLRO200 Stealth Reverse Osmosis Filter

    Hydro-Logic HLRO200 Stealth Reverse Osmosis Filter

    Produces up to 200 gallons per day of ultra-pure, low PPM water. Removes 98%+ of chlorine & contaminants. Wastes approximately 25% less than other RO systems. Everything included in the box for quick hook-up. Customized for gardening & hydroponics. more

    $265.00

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    Hydro-Logic 31023 1000-GPD Evolution RO1000 High Flow RO system

    Hydro-Logic 31023 1000-GPD Evolution RO1000 High Flow RO system

    High flow reverse osmosis system. 1,000-Gallon per day. High Flow Reverse Osmosis System. Thankless RO System. more

    $535.84

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    Hydro-Logic 22125 10-Inch 2.5-Inch Stealth-RO100/200 Cleanable Sediment Filter, Replacement Sediment Filter for Hydrologic Stealth 100 or 200 Series Reverse Osmosis Systems..., By HydroLogic

    Hydro-Logic 22125 10-Inch 2.5-Inch Stealth-RO100/200 Cleanable Sediment Filter, Replacement Sediment Filter for Hydrologic Stealth 100 or 200 Series Reverse Osmosis Systems..., By HydroLogic

    Replacement Sediment Filter for Hydrologic Stealth 100 or 200 Series Reverse Osmosis SystemsReduces Dirt, Sand and Silt, Washable for Extended Use more

    $57.19

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    Hydro-Logic 22125 10-Inch 2.5-Inch Stealth-RO100/200 Cleanable Sediment Filter, Replacement Sediment Filter for Hydrologic Stealth 100 or 200 Series Reverse Osmosis Systems..., By HydroLogic

    Hydro-Logic 22125 10-Inch 2.5-Inch Stealth-RO100/200 Cleanable Sediment Filter, Replacement Sediment Filter for Hydrologic Stealth 100 or 200 Series Reverse Osmosis Systems..., By HydroLogic

    Replacement Sediment Filter for Hydrologic Stealth 100 or 200 Series Reverse Osmosis SystemsReduces Dirt, Sand and Silt, Washable for Extended Use more

    $16.49

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    "Hydro-logic Stealth RO 200 Flow Restrictor"

    "Hydro-logic Stealth RO 200 Flow Restrictor"

    "Replaces standard Stealth RO 100 & Stealth RO 200 flow restrictors to save 50% of the drain water. Gives a 1:1 ratio. Save more water!" more

    $7.60

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    Hydro Logic Faucet Adaptor for Stealth RO filters

    Hydro Logic Faucet Adaptor for Stealth RO filters

    Faucet Adaptor for Stealth RO100™ & RO200™ Customized Reverse Osmosis Filter more

    $20.80

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    "Hydro Logic Stealth-RO Filter Housing w/ black cap, 3/8"

    "Hydro Logic Stealth-RO Filter Housing w/ black cap, 3/8"

    "Replacement filter housing for Stealth-RO units. Clear sump with male threads and double o-ring, black cap with female threads, 3/8 FNPT ports. Can be used for either the carbon or sediment filter." more

    $28.54

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    "Hydro-logic Electronic Shut Off Kit for Evolution RO 1000"

    "Hydro-logic Electronic Shut Off Kit for Evolution RO 1000"

    "Ultra Violet Sterilizer add on for either Stealth-RO units. Kills any bacteria, viruses or biological contaminants in product water. 1/4"" connections and add up to 1/2 gallon per minute flow rate. Great for well or surface water sources." more

    $119.20

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    "Hydro-logic Stealth RO100 Flow Restrictor"

    "Hydro-logic Stealth RO100 Flow Restrictor"

    "Replaces standard Stealth RO 100 & Stealth RO 200 flow restrictors to save 50% of the drain water. Gives a 1:1 ratio. Save more water!" more

    $7.60

    FREE shipping

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    Hydro Logic Evolution-RO1000 RO Membrane Element

    Hydro Logic Evolution-RO1000 RO Membrane Element

    Standard membrane included with system. Two are needed for Evolution system. more

    $155.68

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    Hydro-logic 738240 Premium RO Membrane 100 GPD Low Pressure High Flow

    Hydro-logic 738240 Premium RO Membrane 100 GPD Low Pressure High Flow

    Hydro-logic 738240 Premium RO Membrane 100 GPD Low Pressure High Flow Providing your plants with the purest, best possible water is easy with the Hydro-logic 738240 Premium RO Membrane 100 GPD Low Pressure High Flow. This membrane captures impurities.... more

    $129.99 $96.00

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    Hydro-logic 728815 Premium RO Membrane 100 GPD

    Hydro-logic 728815 Premium RO Membrane 100 GPD

    Hydro-logic 728815 Premium RO Membrane 100 GPD Providing your plants with the purest, best possible water is easy with the Hydro-logic 728815 Premium RO Membrane 100 GPD. This membrane captures impurities. For use with Hydro-Logic systemsThe... more

    $119.99 $85.40

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    Hydro-Logic Stealth Reverse Osmosis 100 System

    Hydro-Logic Stealth Reverse Osmosis 100 System

    Though it sounds like the name of a top-secret fighter jet, the Stealth Reverse Osmosis 100 System by Hydro-Logic is actually a water filtration system that improves plant nutrient absorption and retention by eliminating pollutants from water that... more

    $199.99

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    Hydro-Logic Cartridge - DI - (small) color changing - translucent housing For Stealth, Small boy &

    Hydro-Logic Cartridge - DI - (small) color changing - translucent housing For Stealth, Small boy &

    10in X 2.5in - Color changing - Transluscent housing Size: Small. Gender: Male. Age Group: Kids. more

    $21.07

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    Stealth Reverse Osmosis Replacement Sediment Filter

    Stealth Reverse Osmosis Replacement Sediment Filter

    About Hydrofarm, Inc. Celebrated as the nation's oldest and largest manufacturer of hydroponic equipment and grow lights, Hydrofarm has made professional-grade equipment available to all since 1977. All grow lights and electric components are UL... more

    $16.84

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    Stealth Reverse Osmosis Filter

    Stealth Reverse Osmosis Filter

    About Hydrofarm, Inc. Celebrated as the nation's oldest and largest manufacturer of hydroponic equipment and grow lights, Hydrofarm has made professional-grade equipment available to all since 1977. All grow lights and electric components are UL... more

    $217.84

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    Hydrc,#Hydrologic HYDROLOGIC-31026 Hydro-Logic Micro 75 Compact Portable RO Filter System,

    Hydrc,#Hydrologic HYDROLOGIC-31026 Hydro-Logic Micro 75 Compact Portable RO Filter System,

    Hydro-logic micro 75 compact portable ro filter system more

    $114.99

    FREE shipping

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    Hydro-Logic 22045 Evolution-RO1000 RO Membrane Element

    Hydro-Logic 22045 Evolution-RO1000 RO Membrane Element

    Standard membrane included with system. 2 needed for system. The Evolution Reverse Osmosis Membrane Element 22045 is the replacement RO Membrane for the tankless Hydro-Logic RO system. more

    $144.75

    FREE shipping

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    Hydro-Logic 26035 Stealth-RO200 Eco Waste Reducer

    Hydro-Logic 26035 Stealth-RO200 Eco Waste Reducer

    Standard option included with units. Drops waste, product ratio from standard 3,1 to 2,1. Saves more water. Standard Option Included with Stealth-RO Units. more

    $15.72

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    Hydro-Logic 26030 Stealth-RO100 Eco Waste Reducer

    Hydro-Logic 26030 Stealth-RO100 Eco Waste Reducer

    Standard option included with units. Drops waste, product ratio from standard 3,1 to 2,1. Saves more water. Reduces waste to product ratio from standard 3,1 to 2,1. more

    $9.86

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    Hydro-Logic Stealth 300 GPD RO300 Reverse Osmosis Filter

    Hydro-Logic Stealth 300 GPD RO300 Reverse Osmosis Filter

    Stealth-ro300 removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency, the Stealth includes your choice of both 1:1 & 2:1 waste to product water ratios. Customized for gardening & hydroponics. The #1 selling filter in... more

    $267.75

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    Hydro-Logic 150 GPD Stealth RO150 Reverse Osmosis Filter

    Hydro-Logic 150 GPD 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 both 1:1 & 2:1 waste to product water ratios. Customized for gardening & hydroponics. The #1 selling filter in... more

    $161.68

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    Hydro-Logic 22097 10-Inch by 4.5-Inch Pre-Evolution Sediment Filter Cleanable

    Hydro-Logic 22097 10-Inch by 4.5-Inch Pre-Evolution Sediment Filter Cleanable

    Standard sediment pre-filter included with system. Pleated and cleanable. Reduces Dirt, Sand and Silt. Reduces Dirt, Sand and Silt. Extends the Life of Your RO System. more

    $28.49

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    Hydro-Logic 22105 10-Inch by 2.5-Inch Small Boy Compatible Sediment Filter - by CFS

    Hydro-Logic 22105 10-Inch by 2.5-Inch Small Boy Compatible Sediment Filter - by CFS

    Hydro-Logic 22105 10-Inch by 2.5-Inch Small Boy Compatible Sediment Filter - by CFS Replacement sediment filter for Small Boy RO filter Keeps silt, rust, sand, and other particulate matter out of your water supply Estimated 3,000-gallon capacity... more

    $7.99

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    Hydrologic Small Boy Upgrade Kit, Converts Small Boy to stealthRO 100

    Hydrologic Small Boy Upgrade Kit, Converts Small Boy to stealthRO 100

    Provides all of the elements and instructions to upgrade a Hydro-Logic Small Boy filter system to the Stealth 100 GPD RO system. more

    $90.02

    FREE shipping

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    Hydrologic stealthRO Filter Housing with Black Cap, 3/8"

    Hydrologic stealthRO Filter Housing with Black Cap, 3/8"

    Replacement filter housing for Stealth-RO units. Clear sump with male threads and double O-ring, black cap with female threads, 3/8" FNPT ports. Can be used for either the carbon or sediment filter. more

    $31.95

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    Triton RO DI100 Reef Aquarium Water Filter by Hydro-Logic

    Triton RO DI100 Reef Aquarium Water Filter by Hydro-Logic

    The Triton 100 GPD RO/DI (Reverese Osmosis / Deionization) provides professional water treatment for the serious aquarist. Reduced waste water ratios cut wasted water by up to 50% over traditional RO DI systems, combined with the earth friendly carbon... more

    $259.00

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    Hydro-Logic UV Ballast for Stealth & Triton 1/2 GPM 4 watt unit

    Hydro-Logic UV Ballast for Stealth & Triton 1/2 GPM 4 watt unit

    UV Ballast for Stealth & Triton 1/2 GPM 4 watt unit more

    $22.80

    FREE shipping

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    Hydro-Logic TDS Monitor (BLUE)-TritonRO-100/200 - in/out PPM monitor with 1/4 Inch in and 1/4 Inch

    Hydro-Logic TDS Monitor (BLUE)-TritonRO-100/200 - in/out PPM monitor with 1/4 Inch in and 1/4 Inch

    Highly efficient and accurate due to its advanced microprocessor technology more

    $35.15

    FREE shipping

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    Hydro-Logic 22105 10-Inch by 2.5-Inch Small Boy Compatible Sediment Filters - Pack of 4 by CFS

    Hydro-Logic 22105 10-Inch by 2.5-Inch Small Boy Compatible Sediment Filters - Pack of 4 by CFS

    Hydro-Logic 22105 10-Inch by 2.5-Inch Small Boy Compatible Sediment Filters - Pack of 4 by CFS Replacement sediment filter for Small Boy RO filter Keeps silt, rust, sand, and other particulate matter out of your water supply Estimated 3,000-gallon... more

    $19.95

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    "Hydro Logic Evolution-RO1000 High Flow RO System, 1000 GPD"

    "Hydro Logic Evolution-RO1000 High Flow RO System, 1000 GPD"

    "Achieve the highest flow rates from THE MOST EFFICIENT RO SYSTEM ON THE PLANET! Features: 1,000 GPD or 42 gallons per hour of pure water, Remove 95%+ of all Parts Per Million from your tap water, SAVE MORE WATER by running a 2:1 waste to product water... more

    $652.60

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    Hydro Logic Eco-Spring Residential Drinking RO Filter

    Hydro Logic Eco-Spring Residential Drinking RO Filter

    "Pure spring water produced at home easily! * Simple yearly replacement of main 4 stage cartridge and post filter no complicated replacement schedule for multiple filters. * No mess, no spill maintenance due to sealed cartridges. No tools required!... more

    $308.10

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    Hydro Logic Stealth RO200 Reverse Osmosis Filter

    Hydro Logic Stealth RO200 Reverse Osmosis Filter

    "Produces up to 200 gallons per day of ultra-pure, low PPM water. Removes 98%+ of chlorine & contaminants. Wastes approximately 25% less than other RO systems. Everything included in the box for quick hook-up. Customized for gardening & hydroponics." more

    $247.00

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    Hydro Logic Stealth Reverse Osmosis replacement Membrane

    Hydro Logic Stealth Reverse Osmosis replacement Membrane

    "These membranes are standard equipment in our SP, CHP, MPRO, MPDI RO/DI, and the MPDW Drinking Water Systems. All 25 to 90 GPD membranes will fit in our standard membrane housing. The Standard Membrane is also available as a replacement option for... more

    $70.20

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    Hydro Logic Stealth RO100 Reverse Osmosis Filter

    Hydro Logic Stealth RO100 Reverse Osmosis Filter

    "Produces up to 100 gallons per day of ultra-pure, low PPM water. Removes 98%+ of chlorine & contaminants. Wastes approximately 25% less than other RO systems. Everything included in the box for quick hook-up. Customized for gardening & hydroponics." more

    $180.70

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    "Hydro-logic Stealth Sediment Filter"

    "Hydro-logic Stealth Sediment Filter"

    "KDF85 Filter is ideal for well water users with iron and sulfur and city water users with chloramines." more

    $11.60

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    "Hydro-logic Stealth Membrane Filter"

    "Hydro-logic Stealth Membrane Filter"

    "KDF85 Filter is ideal for well water users with iron and sulfur and city water users with chloramines." more

    $66.40

    FREE shipping

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    Hydro Logic Replacement Carbon Filter for Small Boy/Stealth

    Hydro Logic Replacement Carbon Filter for Small Boy/Stealth

    "Now chloramines, iron, hydrogen sulphide and heavy metals don't stand a chance against Hydro-Logic's newest offering in replacement filters for all their water filter units. KDF85 is the most advanced media that one can use when it comes to filtering... more

    $39.00

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    More information about Water Filters

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