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    …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 power outage, pump…

    Starting at:
    $23.99

    …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 outage, pump…

    Starting at:
    $20.99

    …extra bucks for quality safety precautions can save a lot of money down the line. Swiss-made check valves allow one directional water flow and are used to prevent back siphoning. Commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure…

    Starting at:
    $43.99

    …Random Flow Generators! Lowering the return outputs in the Innovative Marine Aquariums can help with splashing from the return flowing back into the aquarium. Using drop fittings give you more flexibility in the overall direction, and keeps the water from splashing around when using the Random Flow

    Starting at:
    $6.95

    …pairing the return nozzle adapters with the Random Flow Generators that create random flow patterns without any moving parts! Lowering the return outputs in the Red Sea Reefer Aquariums can help with splashing from the return flowing back into the aquarium. Using drop fittings give you more…

    Starting at:
    $7.49

    …piece together another battery backup configuration there is a ton of value in the Ecotech line and their battery backup In an aquarium with no flow, fish and corals begin to die in as little as 4 to 10 hours. The VorTech Battery Backup is reef tank insurance in an aluminum housing. By adding the…

    $173.25

    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

    $199.95

    …it, is removed. CPR Aquatics are high quality, black acrylic and built in the USA. Install by using a bulkhead. Bulkhead size will determine your flow rate. Sizes Available Extra Small - up to 250 GPH Small - up to 500 GPH Medium - up to 900 GPH Large - up to 1200 GPH Extra Large - up to 1600 GPH…

    Starting at:
    $48.99

    Directions: Step 1: Turn off in-tank flow Step 2: Apply glue to coral or rock above or under water Step 3: Hold item in desired location until set (about 10 seconds) Step 4: Allow glue to fully cure before turning flow back on (about 5 minutes)

    Starting at:
    $20.95

    …rings. After the cartridge, water will then flow into the return pump to be pushed back into the aquarium through the adjustable return nozzle.    Specifications: Dimensions - 7.5" L x 2.5" W x 10.5" H Max Tank Thickness - 0.23" (6mm) Max Flow - 76 GPH Power Consumption - 4W @ 120VAC   What's…

    $29.99

    …can be one of the most inexpensive ways to get an automated 2 part dosing system. With their peristaltic design, they will not back siphon with extremely accurate flow rates. Each pump is capable of dosing a single solution. You will need two pumps to automate both calcium and alkalinity solutions.…

    $79.99 $69.99

    Check valves only allow water to flow one direction. 1/8" Male NPT x 1/4" Push Connect elbow check valves are typically used on the product water output of RO membrane housings to protect from back pressure and allow auto shut off valves to operate correctly.

    $3.99

    …lid, and if it ever overflows the sensor can notify your Apex of the issue, and shut down the protein skimmer keeping all the skimmate from flowing back into your aquarium.    Suggested Sensor Locations: Under the Stand Under Carpeting Under RODI Systems Next to ATO Reservoirs Above Protein Skimmer…

    $149.95

    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

    …under the aquarium or hung on the back of the aquarium. It comes with barb hose fittings for 1/2" tubing and a 1/2" barbed ball valve included for flow control. The Phosban 150 is compatible   The Phosban 150 is compatible with any pump that uses 1/2" tubing and a flow rate between 100 and 250gph.  …

    $52.73

    …be mounted under the aquarium or hung on the back of the aquarium. It comes with barb hose fittings for 1/2" tubing and a 1/2" barbed ball valve included for flow control.   The Phosban 550 is compatible with any pump that uses 1/2" tubing and a flow rate between 100 and 250gph.   Specifications:…

    $85.14

    …and a circulation mode. Powerhead Flow Rate: 230 GPH Circulation Flow Rate: 1000 GPH Max Head Pressure: 4 Ft 10 Watts Inlet: fits 3/4" ID tube Outlet: fits 1/2 tube Pump Dimensions: 3.25" x 3.5" x 2" NOTE:This pump is not intended for use with a reactor or other back pressure situations as it will…

    $27.99

    flow rate which ensures gradual and subtle changes to water chemistry. Precision two roller design extends pump life and will not back siphon. 24-month warranty offered by Bulk Reef Supply.   BRS Top Off Doser Specs 20 ft max head 50mL/min flow rate is ideal for most top off systems Will not back

    $79.99

    …into a high flow, more dispersed powerhead. Powerhead Flow Rate: 110 GPH Circulation Flow Rate: 500 GPH Max Head Pressure: 3 Ft 8 watts Inlet: fits 3/4" ID tube Outlet: fits 1/2 tube Pump Dimensions: 3.25" x 3.5" x 2"   NOTE:This pump is not intended for use with a reactor or other back pressure…

    $19.99

    …designed flow through channel that allows water to freely pass and keep detritus from accumulating. Versatility doesn’t stop there. Put your imagination to the test when you mix and match the 3 different ReefRack systems, creating your own unique design. Interlock, stack, place back to back; there…

    $39.99

    …One common example of common programming and placement is to place a leak detection probe on top of your protein skimmers lid, and if it ever overflows the sensor can notify your Apex of the issue, and shut down the protein skimmer keeping all the skimmate from flowing back into your aquarium.

    $549.85

    …mixing as desired. Design includes optional high flow impeller and shroud allowing you to transform the Maxi-Jet into a high flow, more dispersed powerhead. Quick Compare - Marineland Maxi-Jet Powerhead Pumps Model Flow Rate Circulation Flow Rate Maximum Head Pressure Watts Inlet/Outlet Dimensions…

    $21.99

    …and water mixing as desired. Design includes optional high flow impeller and shroud allowing you to transform the Maxi-Jet into a high flow, more dispersed powerhead. Quick Compare - Maxi-Jet Powerhead Pumps Model Flow Rate Circulation Flow Rate Maximum Head Pressure Watts Inlet/Outlet Dimensions…

    $29.99 $22.99

    …designed flow through channel that allows water to freely pass and keep detritus from accumulating. Versatility doesn’t stop there. Put your imagination to the test when you mix and match the 3 different ReefRack systems, creating your own unique design. Interlock, stack, place back to back; there…

    $29.99

    …pump to feed water to the skimmer. The recommended maximum flow rating for this skimmer is 260 GPH. These numbers are based on zero back pressure on the output plumbing. If you add 90° bends on the plumbing back to a sump you may need to back off the amount of water being feed through the skimmer.…

    $259.99 $233.99

    …pump to feed water to the skimmer. The recommended maximum flow rating for this skimmer is 400 GPH. These numbers are based on zero back pressure on the output plumbing. If you add 90° bends on the plumbing back to a sump you may need to back off the amount of water being feed through the skimmer.…

    $364.99 $328.49

    …designed flow through channel that allows water to freely pass and keep detritus from accumulating. Versatility doesn’t stop there. Put your imagination to the test when you mix and match the 3 different ReefRack systems, creating your own unique design. Interlock, stack, place back to back; there…

    $39.99

    …Saltwater into any up flow reactor or media bag. For freshwater use 100 mL of Phosphate Minus per 54 gallons (2000 mL). After implementing Phosphate Minus, you should test your phosphate levels for decreasing values. After a few weeks, your tanks phosphate levels will start to rise back up, and that…

    Starting at:
    $17.99

    Redesigned with a black acrylic backing to prevent light from transferring to the main aquarium. A powerhead and unique baffle system prevent substrate and organisms from being disturbed yet allow enough water to flow through to eliminate any stagnant areas.   AquaFuge2 - Large Includes Powerhead…

    $139.99

    …Innovative Marine MightyJet DC Pumps are perfect for any AIO or in-sump application. Set the perfect flow rate for your tank with the included DC controller. The tiny pump fits into most back compartments of all in one aquarium and is a perfect upgrade from your stock pump. Just put on the proper…

    $89.99

    …Innovative Marine MightyJet DC Pumps are perfect for any AIO or in-sump application. Set the perfect flow rate for your tank with the included DC controller. The tiny pump fits into most back compartments of all in one aquarium and is a perfect upgrade from your stock pump. Just put on the proper…

    $99.99

    Redesigned with a black acrylic backing to prevent light from transferring to the main aquarium. A powerhead and unique baffle system prevent substrate and organisms from being disturbed yet allow enough water to flow through to eliminate any stagnant areas.   AquaFuge2 - Medium Includes Powerhead…

    $165.99