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    …silent gyre flow, and easy maintenance that fans of gyre pumps will love.   Features Cross-flow technology wave pump for a gentle, evenly distributed flow Silent and energy efficient Sine-Wave DC control motor 5 programmable wave patterns with unique Forward/Reverse/Alternating flow modes Easy…

    $269.00

    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

    flow restrictor for the membrane you have. If you decide to change your membrane to a higher or lower GPD membrane, you must also replace the flow restrictor to correspond with the membrane. All BRS Reverse Osmosis Systems have the appropriate flow restrictor installed. The 75 and 100GPD flow

    Starting at:
    $7.99

    …affordable and reliable high flow powerheads. Higher efficiency Hydor Koralia Evolution pumps generate up to 20% more water flow than Koralia 2-3-4 at HALF the energy consumption. Upgraded, shaft-less impeller boasts unique design for wide and gentle water flow beneficial to aquarium inhabitants.…

    $54.99

    …of the flow exiting the nozzle.   1/2" Specifications: Dimensions - 2.25" L x 1.3" OD Min Flow Rate - 120 GPH Optimal Flow Rate - 300 - 450 GPH   3/4" Specifications: Dimensions - 2.75" L x 1.7" OD Min Flow Rate - 200 GPH Optimal Flow Rate - 420 - 500 GPH   Whats Included? 1x Random Flow Generator…

    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.

    Starting at:
    $3.59

    …“white line” effects.The Hydor FLO rotating water deflector rotates 360 degrees driven by the water flow of the filter being used, so no additional power source is required. The FLO rotating water flow creates a natural and pleasant wave effect which is beneficial to live plants and reef inhabitants…

    $11.99

    …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

    Know Your Flow! 1" Flow Sensor for the Fluid Metering Module from Neptune.  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,…

    $59.95

    …restrictor valves increase the flow to the membrane by bypassing the flow restrictor when the valve is opened. This helps flush deposits and significantly increases the usable life of the RO membrane. The Membrane Flush/Flow restrictor valve is an all in one flow restrictor equipped with a flush…

    Starting at:
    $9.99

    …for targeted flow. They consume less power. Available accessories such as the Tunze Rock and Controllers make them even more user-friendly. Excellent warranty and customer service.   High flow is very important to maintaining a thriving healthy aquarium. Aquariums with poor flow can experience…

    $189.99

    Know Your Flow! 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 FS-50 will work with flow rates from 30-250 gph, and will connect to any standard 1/2"…

    $29.95

    …for targeted flow. They consume less power. Available accessories such as the Tunze Rock and Controllers make them even more user-friendly. Excellent warranty and customer service.   High flow is very important to maintaining a thriving healthy aquarium. Aquariums with poor flow can experience…

    $54.99

    …Suggested flow rate for saltwater aquarium sterilization - 967 GPH   How UV Works? Ultraviolet sterilizers are used in a wide variety of industries for sterilization, and in your saltwater aquarium they work wonders at controlling unwanted bacteria and protozoa at low flow rates, but at higher flow

    $436.12

    …DC Powered VarioS 2 Pump Reverse Flow and CO2 Recirculation Design Auto Fill Bubble Counter Probe Holder Easy to Remove Lid Effluent Control Valve 1/4" Push Connect Fittings Internal or External Application Neptune Apex Ready Perfectly dial in your recirculation flow rate with the DC powered VarioS…

    $529.99

    Know Your Flow! 1/4" Flow Sensor for the Fluid Metering Module from Neptune.  The FS-25 will work with flow rates from 3-12 gph, and will connect to any standard 1/4" push connect tubing. Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to…

    $19.95

    …amount of interference at the base of the eductor helps create a random change in the intake affecting the flows path exiting the nozzle.   Specifications: Dimensions - 3.45" L x 1.9" OD Min Flow Rate - 320 GPH Optimal Flow Rate - 720 - 1000 GPH   What's Included? 1x Random Flow Generator Nozzle   

    $24.99

    …and forget it! Just set the appropriate flow rate and the Nero 5 will keep flowing at that speed until you change the mode or flow.  Schedule - Create a schedule that can utilize multiple different flow modes. With the MyAi app creating a schedule for your flow is simple and can be done in minutes!…

    $199.00

    …how much flow your pump is actually moving through your display, reactors, refugiums or anything else that you is plumbed into your system.  The Flow Monitoring Kit (FMK) will unlock a world of control for any apex model! Flow Monitoring Kit Includes: FMM Module 1" FS-100 Flow Sensor 1/2" FS-50 Flow

    $199.95

    …for targeted flow. They consume less power. Available accessories such as the Tunze Rock and Controllers make them even more user-friendly. Excellent warranty and customer service.   High flow is very important to maintaining a thriving healthy aquarium. Aquariums with poor flow can experience…

    $429.99

    flow rate of the water (any aquarium fluid really) going through that sensor. The industrial-grade flow sensors work use either a turbine or paddle-wheel mechanism (depending on the model) to measure the flow. It is important to note that the flow rate that will be reported back to you from the flow

    $99.95

    …features of the original Gyre pumps and improved them to make the best GYRE flow pump yet. Unique Flow Virtually Eliminates Dead Spots Evenly Distributed Linear Flow Discrete Design Twin Directional Flow Cages Clip on Flow Directors Waterproof Silent Suspension Magnet Mount Advanced Controller with…

    $149.99

    Know Your Flow! 2" Flow Sensor for the Fluid Metering Module from Neptune.  The FS-200 will work with flow rates from 300-3000 gph, and will connect to any standard 2" 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,…

    $99.95

    …Auto Flush Flow Retrictor that meets your RODI systems flow rate. 300 mL/min 400 mL/min 500 mL/min for 75 GPD single membranes or 150 GPD Water Saver Systems 600 mL/min 700 mL/min 800 mL/min for 100 & 150 GPD single membranes or 200 GPD Water Saver Systems   The Aquatec Auto-Flush Flow Restrictor…

    Starting at:
    $54.99

    …with the overall flow rate.   Adjustable Orientation Placing powerheads can be tricky. The Mover pumps let you have maximum flexibility with the flow direction. Each pump also comes with flow plates that let you modify the type of flow. A single pump can produce a super wide flow for shorter tanks,…

    $59.90

    …for targeted flow. They consume less power. Available accessories such as the Tunze Rock and Controllers make them even more user-friendly. Excellent warranty and customer service.   High flow is very important to maintaining a thriving healthy aquarium. Aquariums with poor flow can experience…

    $469.90

    …with the overall flow rate.   Adjustable Orientation Placing powerheads can be tricky. The Mover pumps let you have maximum flexibility with the flow direction. Each pump also comes with flow plates that let you modify the type of flow. A single pump can produce a super wide flow for shorter tanks,…

    $69.90

    …features of the original Gyre pumps and improved them to make the best GYRE flow pump yet. Unique Flow Virtually Eliminates Dead Spots Evenly Distributed Linear Flow Discrete Design Twin Directional Flow Cages Clip on Flow Directors Waterproof Silent Suspension Magnet Mount Advanced Controller with…

    $169.99

    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

    …GPD Auto Flush Flow Kit - Compatible with 75 GPD membranes or 150 GPD Water Saver systems. Kit includes a 500ml/min Auto Flush Flow Restrictor. 100 GPD Auto Flush Flow Kit - Compatible with 100 GPD membranes or 200 GPD Water Saver systems. Kit includes an 800ml/min Auto Flush Flow Restrictor.…

    Starting at:
    $104.99

    …IceCap Gyre Flow Pumps are compatible with the Dual Pump WiFi Controller and can easily increase the flow in your tank with the addition of a second IceCap Flow Pump to your existing 2K or 4K Gyre setup. You can use any combination of Flow Pumps you like, meaning you can add a 2K Flow Pump to your…

    $109.99

    …IceCap Gyre Flow Pumps are compatible with the Dual Pump WiFi Controller and can easily increase the flow in your tank with the addition of a second IceCap Flow Pump to your existing 2K or 4K Gyre setup. You can use any combination of Flow Pumps you like, meaning you can add a 2K Flow Pump to your…

    $149.99