RODI & ATO (283)
Best selling Best selling
  • IceCap 4 Stage RODI 100gpd
    $196.34
    No reviews

    IceCap 4-Stage Reverse Osmosis Water Filtration Systems The IceCap RO/DI water filtration system is a four-stage reverse osmosis de-ionization filter...

  • AutoAqua Digital Inline TDS - Titanium S2
    $47.99
    No reviews

    AutoAqua Digital Inline TDS - Titanium S2 Titanium One is the smallest inline TDS meter available on the market. It...

  • Mur-lok Release Tool - 1/4", 3/8", 1/2"
    $4.99
    No reviews

    Mur-lok Release Tool - 1/4", 3/8", 1/2"

  • Aquatic Life RO Buddie Carbon Cartridge
    $7.99 $9.99
    No reviews

    Carbon Block Pre-Filter Cartridge for the RO Buddie. Features: Designed for use with the RO Buddie 50 & 100 GPD...

  • Union Tees - 1/4 inch Mur-lok
    $3.99
    No reviews

    Union Tees - 1/4 inch Mur-lok. Constructed of Polypropylene with Leak Resistant Dual EPDM O-rings.

  • XP Aqua Sumpless ATO2
    $203.99
    No reviews

    Complete ATO & Surface Skimmer for Sumpless Aquariums Features: NEW! Controller programming & circuitry for added system protection NEW! Improved...

  • Simplicity Heavy-Duty Silicone Dosing Pump Tubing - Red - 10 Feet
    $5.95
    No reviews

    Simplicity Heavy-Duty Silicone Dosing Pump Tubing - Red - 10 Feet Stays flexible and resists cracking. Available in 3 vibrant...

  • Neptune PMUP v2 - Practical Multi-purpose Utility Pump v2 w/transformer
    $82.99
    No reviews

    The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium.  Automatic Top-Off (ATO)...

  • Bashsea Smart Series 10 Gallon ATO Container- Grey & Blue
    $229.99

    OUT OF STOCK

    No reviews

    PLEASE NOTE: Blue trim color option pictured. Check title/description for actual color. Bashsea Smart Series 10 Gallon ATO Container- Blue...

  • IceCap Dosing Liquid Container 1.5L
    $47.34
    No reviews

    IceCap Liquid Dosing Containers   Compact profile containers to store you dosing fluids. Available in 1.5L, 2.5L and 5L volume...

  • RedSea ReefDose 4 Bracket
    $15.99
    No reviews

    Fits: ReefDose 4

  • Simplicity Dosing Head Pump Tubing - per piece
    $1.95
    No reviews

    Simplicity Dosing Head Pump Tubing - per piece

  • IceCap 2.5gal Freshwater Reservoir
    $94.49

    OUT OF STOCK

    No reviews

    Freshwater Reservoir For Storing Auto-Top-Off Water IceCap Freshwater Reservoirs are designed to hold a fixed amount of top-off water for...

  • Red Sea Replacement ReefATO+ Reef Sensor V2
    $46.00

    OUT OF STOCK

    No reviews

    Fits ReefATO+   Red Sea Replacement ReefATO+ Reef Sensor V2

  • Red Sea RCP Dosing Cap Tube x 2
    $9.00
    No reviews

    Red Sea RCP Dosing Cap Tube x 2

  • IceCap 4 Stage RODI 75gpd
    $184.79
    No reviews

    IceCap 4-Stage Reverse Osmosis Water Filtration Systems The IceCap RO/DI water filtration system is a four-stage reverse osmosis de-ionization filter...

  • John Guest Locking Clip 1/4 Tube - 10 Pack
    $4.99
    No reviews

    John Guest Locking Clip 1/4 Tube - (10 clips)

  • Aquatic Life Tubing Polyethylene 50 FT x 1/4 IN Yellow
    $19.99
    No reviews

    Aquatic Life Polyethylene Tubing 50 ft. x 1/4 inch Yellow. Ideal for hydroponic and aquarium applications, this Polyethylene tubing is...

  • Aquatic Life Tubing Polyethylene 50 FT x 1/4 IN Red
    $19.99
    No reviews

    Aquatic Life Polyethylene Tubing 50 ft. x 1/4 inch Red. Ideal for hydroponic and aquarium applications, this Polyethylene tubing is...

  • Aquatic Life DI Color Changing Cartridge (21 cu in)
    $23.54

    OUT OF STOCK

    No reviews

    21-Cubic Inch Color Changing Mixed Bed Resin Inline Cartridge (330242) Aquatic Life Color Changing Mixed Bed DI Cartridges are the...

  • TFC-50F 50GPD Dow Filmtec TFC Membrane
    $39.99
    No reviews

    Premium Reef 50GPD Dow Filmtec TFC Membrane

  • Red Sea ReefDose Measuring Cylinder
    $12.65
    No reviews

    Red Sea ReefDose Measuring Cylinder

  • Bashsea Smart Series 10 Gallon ATO Container- White
    $229.99

    OUT OF STOCK

    No reviews

    PLEASE NOTE: Blue trim color option pictured. Check title/description for actual color. Bashsea Smart Series 10 Gallon ATO Container- White...

  • IceCap Magnetic Tubing Holder (4 port)
    $33.48

    OUT OF STOCK

    No reviews

    IceCap 4-Tube Magnetic Holder   Holds 4-Tubes Magnetically mounts to most surfaces up to 1/2in thick!   A SIMPLE WAY...

  • Bashsea 5 Gallon ATO Container - BLUE
    $174.99

    OUT OF STOCK

    No reviews

    Bashsea 5 Gallon ATO Container - BLUE Dimenions:5 x 15 x 16"

  • Neptune 4 Meter Tubing for Dosing System
    $10.49
    No reviews

    Neptune 4 Meter Tubing for Dosing System  

  • Bubble Magus Dosing Pump Fixture for airline tubing
    $14.99
    No reviews

    Bubble Magus Dosing Pump Fixture for airline tubing

  • Aquatic Life 150 GPD Reverse Osmosis TFC Membrane
    $52.99

    OUT OF STOCK

    No reviews

    Premium quality TFC Membrane for Reverse Osmosis and RO/DI Systems. Thin Film Composite (TFC) Membranes for standard RO systems and...

  • BRS One Cartridge Refill (1.25 lbs.) Bulk DI Resin
    $17.99

    OUT OF STOCK

    No reviews

    DI Resin is necessary to reduce Total Dissolved Solids (TDS) to zero and is the last stage of an RO/DI...

  • AquaFX Seahorse 4-Stage 100GPD Compact RO/DI System
    $94.99
    No reviews

    The Seahorse Inline Reverse Osmosis RO/DI is a small portable unit that makes 0 TDS water.   Features  - Hand-built...

  • Pentek ChlorPlus 10" Chloramine Reduction Carbon Block
    $40.99
    No reviews

    The ChlorPlus carbon block cartridges help reduce sediment while providing greater chloramine performance capacities than granular carbon. They also significantly...

  • Mur-lok Fittings - Female Connectors - 1/4 inch Murlock - 1/8 inch Female NPTF
    $3.58
    No reviews

      Mur-lok® Fittings - Female Connectors Constructed of Polypropylene with Leak Resistant Dual EPDM O-rings.   Item Number Side A...

  • In-line Ball Valves - 1/2 inch by 1/2 inch Push Connect Murlock
    $6.49
    No reviews

      In-line Ball Valves - Exclusive 1/4 turn lever with safety collar - Standard materials: PVC with EPDM seals -...

  • Bubble Magus Dosing Pump Bracket for T11/T12
    $39.99
    No reviews

    Bubble Magus Dosing Pump Bracket for T11/T12

  • Bubble Magus Single Dosing Pump TS1
    $99.99
    No reviews

    Bubble Magus Single Dosing Pump TS1 Unit will dose from 1ml up to 999ml per day. Unit already pre-programmed below....

  • Union Connectors - 1/4 inch Mur-lok by 1/4 inch Mur-lok
    $2.99
    No reviews

    Union Connectors - 1/4 inch Mur-lok by 1/4 inch Mur-lok. Constructed of Polypropylene with Leak Resistant Dual EPDM O-rings.

  • AquaFX Add-on DI Canister Stage
    $49.99
    No reviews

    NOTE: This item dropships from the manufacturer. This filter add on provides a final deionization stage to your reverse osmosis...

  • Eshopps Dosemate 1 - Dosing Container 1x2 L
    $89.98
    No reviews

    DOSEMATE will complete your auto-dosing needs by securely holding your dosing minerals, nutrients, and other solution to make sure a...

  • Eshopps H20 5 - 5 Gallon Auto Top Off Reservoir Tank
    $174.98
    No reviews

    Simple and essential tool for holding water for topping off your display tank over extended period of time. Basic key...

  • Red Sea ReefATO+ Upgrade Kit (for existing REEFER aquarium owners)
    $200.00
    No reviews

    Upgrade kit will not include magnet mount.  It is meant to be installed where the ato float switch is installed...

  • Simplicity Heavy-Duty Silicone Dosing Pump Tubing - Yellow - 25 Feet
    $12.95
    No reviews

    Simplicity Heavy-Duty Silicone Dosing Pump Tubing - Yellow - 25 Feet Stays flexible and resists cracking. Available in 3 vibrant...

  • JBJ Nano ATO - Advanced Kit
    $92.65 $109.00
    No reviews

    The JBJ Nano ATO is the perfect upgrade for your aquarium. Our most reliable auto-top-off system is reimagined with dual...

  • Seachem HydroTote - 10 L / 2.5 gal.
    $9.61
    No reviews

    The HydroTote is a collapsible jug that holds up to 10 L (2.5 gallons). It's perfect for customers that get...

  • 5000.390 HOSE 4X7 MM, 3M
    $7.99

    OUT OF STOCK

    No reviews

    5000.390 HOSE 4X7 MM, 3M black, suitable for all TUNZE Osmolators.

  • Tunze Osmolator magnet holder
    $47.99
    No reviews

    Tunze Osmolator magnet holder

  • AUTOAQUA Smart ATO RO G2
    $215.99
    No reviews

    COMPACT & SIMPLE Smart ATO RO G2 is a reliable device that can automate refilling your ATO reservoir without forgetting...

  • Fauna Marin DIY Doser
    $15.00

    OUT OF STOCK

    No reviews

    Fauna Marin DIY Doser The Fauna Marin DIY Doser eliminates dosing waste and simplifies your reef aquarium maintenance by connecting...

  • IceCap DC-400L Utility Pump
    $56.70
    No reviews

    100GPH Multi-purpose Vertical Water Pump With Inline Controller The IceCap DC-400L is a multi-purpose utility pump that can be used...

  • 500 GPD 7-Stage RO/DI Blue Fin PRO Light Commercial System w/Booster Pump - AquaFX
    $999.99
    No reviews

    AquaFX Blue Fin PRO Light-Commercial 500GPD 7-Stage RO/DI System - perfect for small/medium size coral farmers and aquarium stores that...

  • IceCap 4 Stage RODI 200gpd
    $254.09

    OUT OF STOCK

    No reviews

    IceCap 4-Stage Reverse Osmosis Water Filtration Systems The IceCap RO/DI water filtration system is a four-stage reverse osmosis de-ionization filter...

  • AutoAqua Digital Inline TDS - Titanium S1
    $35.99
    No reviews

    AutoAqua Digital Inline TDS - Titanium S1 Titanium One is the smallest inline TDS meter available on the market. It...