Aquarium RO/DI Systems & Supplies

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  • Barracuda RODI Unit - Glacial 100 GPD - AquaFX Barracuda RODI Unit - Glacial 100 GPD - AquaFX

    Barracuda RODI Unit - Glacial 100 GPD - AquaFX

    $279.99
    $279.99
  • Barracuda RODI Unit - Glacial 100 GPD (Chloramines Upgraded) - AquaFX Barracuda RODI Unit - Glacial 100 GPD (Chloramines Upgraded) - AquaFX

    Barracuda RODI Unit - Glacial 100 GPD (Chloramines Upgraded) - AquaFX

    $329.99
    $329.99
  • Barracuda 10" Replacement Filter Set - AquaFX

    Barracuda 10" Replacement Filter Set - AquaFX

    $47.99
    $47.99
  • Barracuda RODI Unit - Standard 100 GPD - AquaFX

    Barracuda RODI Unit - Standard 100 GPD - AquaFX

    $199.99
    $199.99
  • Reverse Osmosis Membrane - AquaFX Reverse Osmosis Membrane - AquaFX

    Reverse Osmosis Membrane - AquaFX

    From $48.99
    From $48.99
  • Replacement Pressure Gauge (Gauge Only) - 1/8" - AquaFX

    Replacement Pressure Gauge (Gauge Only) - 1/8" - AquaFX

    $14.99
    $14.99
  • Handheld TDS Meter - AquaFX

    Handheld TDS Meter - AquaFX

    $29.99
    $29.99
  • Carbon Filter - High Capacity - AquaFX

    Carbon Filter - High Capacity - AquaFX

    $16.99
    $16.99
  • RO Booster Pump Kit - Standard Flow (100 GPD) - AquaFX RO Booster Pump Kit - Standard Flow (100 GPD) - AquaFX

    RO Booster Pump Kit - Standard Flow (100 GPD) - AquaFX

    $139.99
    $139.99
  • Carbon Filter - Chloramine Blaster - AquaFX

    Carbon Filter - Chloramine Blaster - AquaFX

    $18.99
    $18.99
  • Seahorse 4-Stage Compact RO/DI System - AquaFX Seahorse 4-Stage Compact RO/DI System - AquaFX

    Seahorse 4-Stage Compact RO/DI System - AquaFX

    $84.99
    $84.99
  • DI Resin - AquaFX DI Resin - AquaFX

    DI Resin - AquaFX

    From $14.99
    From $14.99
  • Sediment Filter - AquaFX

    Sediment Filter - AquaFX

    $5.99
    $5.99
  • RO Tubing - AquaFX

    RO Tubing - AquaFX

    From $0.50
    From $0.50
  • Carbon Filter - Activated Carbon - AquaFX

    Carbon Filter - Activated Carbon - AquaFX

    $9.49
    $9.49
  • RO Booster Pump Kit - High Flow (300 GPD) - High Flow Kit - AquaFX

    RO Booster Pump Kit - High Flow (300 GPD) - High Flow Kit - AquaFX

    $189.99
    $189.99
  • Quick-Connect Ball Valve

    Quick-Connect Ball Valve

    From $7.99
    From $7.99
  • Sink Adapter (Diverter Valve) - 1/4" Sink Adapter (Diverter Valve) - 1/4"

    Sink Adapter (Diverter Valve) - 1/4"

    $11.99
    $11.99
  • Quick-Connect Bulkhead

    Quick-Connect Bulkhead

    From $9.99
    From $9.99
  • Seahorse Inline Sediment - 5 micron - AquaFX Seahorse Inline Sediment - 5 micron - AquaFX

    Seahorse Inline Sediment - 5 micron - AquaFX

    $10.99
    $10.99
  • Hydraulic Automatic Shut Off (ASO) - (Valve Only) - AquaFX Hydraulic Automatic Shut Off (ASO) - (Valve Only) - AquaFX

    Hydraulic Automatic Shut Off (ASO) - (Valve Only) - AquaFX

    $19.99
    $19.99
  • Seahorse Inline Carbon - AquaFX Seahorse Inline Carbon - AquaFX

    Seahorse Inline Carbon - AquaFX

    $12.99
    $12.99
  • Reducer - 3/8" To 1/4"

    Reducer - 3/8" To 1/4"

    $4.99
    $4.99
  • Liquid Filled Add-On Pressure Gauge Kit - 1/4" - AquaFX Liquid Filled Add-On Pressure Gauge Kit - 1/4" - AquaFX

    Liquid Filled Add-On Pressure Gauge Kit - 1/4" - AquaFX

    $25.99
    $25.99
  • Quick-Connect Check Valve Fitting - AquaFX

    Quick-Connect Check Valve Fitting - AquaFX

    From $14.99
    From $14.99
  • RODI Flush Kit with Ball Valve - AquaFX RODI Flush Kit with Ball Valve - AquaFX

    RODI Flush Kit with Ball Valve - AquaFX

    $29.99
    $29.99
  • RODI Flush Kit with Ball Valve - 1/4" - AquaFX RODI Flush Kit with Ball Valve - 1/4" - AquaFX

    RODI Flush Kit with Ball Valve - 1/4" - AquaFX

    $16.99
    $16.99
  • Inline Sink Adapter Fitting (3/8" M x 3/8" F x 1/4" QC )

    Inline Sink Adapter Fitting (3/8" M x 3/8" F x 1/4" QC )

    $9.99
    $9.99
  • Dual Inline TDS Meter - AquaFX Dual Inline TDS Meter - AquaFX

    Dual Inline TDS Meter - AquaFX

    $39.99
    $39.99
  • 90 Degree Elbow - 1/4" Union

    90 Degree Elbow - 1/4" Union

    $3.99
    $3.99
  • 90 Degree Elbow - 1/4" Insert To Push

    90 Degree Elbow - 1/4" Insert To Push

    $3.99
    $3.99
  • Hose Bib Adapter - 1/4" - AquaFX

    Hose Bib Adapter - 1/4" - AquaFX

    $7.49
    $7.49
  • Drain Saddle with 1/4" Quick-Connect Valve Fitting - AquaFX Drain Saddle with 1/4" Quick-Connect Valve Fitting - AquaFX

    Drain Saddle with 1/4" Quick-Connect Valve Fitting - AquaFX

    $5.99
    $5.99
  • Flow Restrictor - AquaFX

    Flow Restrictor - AquaFX

    $3.99
    $3.99
  • 1/8" Female NPT to 1/4" Push-Connect DOS Line Adapter

    1/8" Female NPT to 1/4" Push-Connect DOS Line Adapter

    $6.99
    $6.99
  • Float - 1/4" - AquaFX

    Float - 1/4" - AquaFX

    $15.99
    $15.99
  • Automatic Shut-Off (ASO) with Float - AquaFX Automatic Shut-Off (ASO) with Float - AquaFX

    Automatic Shut-Off (ASO) with Float - AquaFX

    $29.99
    $29.99
  • 90 Degree Elbow - 1/4" Threaded To Push

    90 Degree Elbow - 1/4" Threaded To Push

    $3.99
    $3.99
  • 90 Degree Elbow - 3/4" Union

    90 Degree Elbow - 3/4" Union

    $5.49
    $5.49
  • Replacement Canister Sponge (2-Pack) - AquaFX

    Replacement Canister Sponge (2-Pack) - AquaFX

    $4.99
    $4.99