Return Line

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    CPR's Aquarium Inflow Kit contains everything you need other than a pump to return water to your tank. Kit includes: 3/4" Return Jet 4 feet of 3/4" ID Tubing 1 plastic hose clamp

    $19.99

    …makes the highest quality True Union check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a…

    Starting at:
    $23.99

    Turn any 1" PVC into a random flow generator Vivid Aquatics 3D printed random flow generators easily slips onto PVC for a custom flow pattern through their patent pending randomized design. Each RFG is made of reef-safe PETG plastic and made to outlast your aquarium. Just slip the 1" PVC fitting…

    $24.99

    The CPR Return jet offers a fast and convenient solution for plumbing return lines up and over the rim of the aquarium. This is a great option when drilling the glass for a bulkhead is not practical or possible. The U-shape of the return jet allows the assembly to simply hang right on the rim with…

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    $8.99

    Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $3.59

    …remove the stock return nozzle and replace it with the slip adapter and you are done! Just add your favorite Loc-Line nozzle or Vivid Creative's RFG Nozzle. No glue, tape, heat, or clamps are needed!   If you want the output of the return nozzle to be below the water line, check out Vivid Creative…

    Starting at:
    $7.95

    Loc-Line flexible modular hose offers endless plumbing configurations and is useful for unique plumbing designs. Loc- Line Modular plumbing is most commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.   For 1/2" Loc-Line NPT…

    Starting at:
    $1.79

    …Drain Bulkhead Size - 1" Return Bulkhead Size - 3/4" Screen Lid - Included Return Type - Loc-Line with Dual Flare Nozzles   Nuvo INT 200 Owner's Manual   What's Included? 1x Nuvo INT 200 Aquarium 1x Screen Lid 1x Plumbing Kit   Note - Requires stand, 1" gate valve, sump, return pump to operate, and…

    $2,999.99

    …levelable Plywood Cabinet     Return Plumbing - 25mm Main Drain - 32mm Emergency Drain - 25mm   Note: All Red Sea Reefer Aquariums include a black interior finish, regardless of the exterior finish.     Return pump not included - We suggest either the Sicce Syncra Silent line of pumps or the Ecotech…

    Starting at:
    $5,175.00

    …segments of 3/4" Loc-Line Modular Hose measures 6" Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $4.79

    Loc-Line flexible modular hose offers endless plumbing configurations and is useful for unique plumbing designs. Loc- Line Modular plumbing is most commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $4.39

    Spears makes the highest quality check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event of a power…

    Starting at:
    $20.99

    …reduce from 3/4" to 1/2" Loc-line modular hose. Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.  

    $4.29

    …Installs in minutes Molded barb fittings Overflow and Return can be separated Works with Freshwater or Saltwater   Return Every INOUT comes with a special return flow design that creates a gentle pulsing action as water travels from your return pump and then back into the tank. The wave-like effect…

    $99.11

    …The FS-100 will work with flow rates from 150-1500 gph, and will connect to any standard 1" Slip PVC.   Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The…

    $59.95

    Loc-Line flexible modular hose offers endless plumbing configurations and is useful for unique plumbing designs. Loc- Line Modular plumbing is most commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $2.19

    …multiplying the amount of water being moved. Easy installation and removal for cleaning Install directly onto pumps and powerheads or integrate into return plumbing assemblies Energy efficient Available in 3 sizes - 1/2", 3/4" and 1" Attach to correct size female threaded outlet Improve efficiency…

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    $21.99

    Loc-Line flexible modular hose offers endless plumbing configurations and is useful for unique plumbing designs. Loc- Line Modular plumbing is most commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $3.79

    Use the Spin Stream to create a natural ocean current in your reef tank. The pressure of the flow will push the nozzle around creating a randomized flow in every direction. Randomized flow will help simulate natural reef environments and with the Spin Stream Nozzle attachment from Innovative Marine…

    $22.99

    Turn any 1" Threaded Bulkhead into a Random Flow Generator! Vivid Creative Aquatics 3D printed random flow generators easily slips onto PVC for a custom flow pattern through their patent pending randomized design. Each RFG is made of reef-safe PETG plastic and made to outlast your aquarium. Just…

    $29.99

    Easily plumb your tanks return with Eshopps Return Jet! Works with 3/4" soft tubing Adjustable flare nozzle 1" diameter swivel ball joints Perfect for fresh or saltwater aquariums Fits most tanks with rims up to 1.75"   Eshopps Return Jet lets you quickly attach your favorite type of 3/4" soft…

    $8.99

    Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $3.79

    Schedule 40 Elbows are white, and have a slight 45° bend making them perfect for drain lines and return lines that require minimum restriction. Slip x Slip configuration Must use PVC cement for a proper seal   The golden rule of plumbing is that every job takes three trips to the store. While this…

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    $2.29

    Lower the outputs below the water line in your Red Sea Reefer aquarium while adapting to Loc-Line! Many reefers want to modify the output nozzles on Red Sea Reefer aquariums to use loc-line style attachments, and now you can! Just slip on the Return Nozzle to Loc-Line Adapter and you can then use…

    Starting at:
    $7.49

    …and now you can! Just slip on the IM Return Nozzle to Loc-Line Adapter and you can then use any Loc-Line product in the proper size. For the best results, we recommend pairing the return nozzle adapters with the Random Flow Generators! Lowering the return outputs in the Innovative Marine Aquariums…

    Starting at:
    $6.95

    Attaches to 1/2", 3/4" Loc-Line and creates random flow patterns. Vivid Creative Aquatics 3D printed random flow generators easily snap onto standard Loc-Line segments for a custom flow pattern through their patent pending randomized design. Each RFG is made of reef-safe PETG plastic and made to…

    Starting at:
    $17.99

    Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    $2.69

    Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    $9.79

    Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    $2.29

    Loc-Line flexible modular plumbing offers endless plumbing configurations and is useful for unique plumbing designs. Loc-Line is commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    $2.09

    Loc-Line flexible modular hose offers endless plumbing configurations and is useful for unique plumbing designs. Loc- Line Modular plumbing is most commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $2.19

    Loc-Line flexible modular hose offers endless plumbing configurations and is useful for unique plumbing designs. Loc- Line Modular plumbing is most commonly used on return lines and closed loops where it is important to direct the water flow in a particular direction.

    Starting at:
    $9.79