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Aquarium Water Pumps are necessary in every aquarium application. Whether they are used to deliver water from your filter to your aquarium or simply to provide water movement in the tank, they are needed in every aquarium. 

External water pumps are usually installed at the floor level next to the sump. External (in-line) pumps are recommended for larger aquariums 100 gal or more in volume. External water pumps will usually give you higher pressure and flow but may be a little louder comparing to submersible pumps.

Submersible water pumps are usually placed directly in the sump's return compartment. These pumps are easy to install and service. Submersible water pumps are recommended for aquariums up to 180 gal. These pumps tend to be quieter than external pumps but can also transfer more direct heat to aquarium water. For most applications, internal (submersible) water pumps provide a good mix of performance and ease of operation.

Powerheads are mostly used in aquarium application to move large volume of water at low pressure, and wide output, in order to create gentle water currents, replicating water flow of natural ocean waves. Powerheads' small size and low power consumption are hard to beat when you need to move a larger volume of water.

At AquaCave, we offer some of the best selection and best prices on aquarium water pumps, external water pumps, submersible water pumps, and powerheads for you marine, reef, and freshwater aquarium.

  • Tunze Silence 1073.020 Water Pump 50-630 GPH Tunze Silence 1073.020 Water Pump 50-630 GPH Tunze Silence 1073.020 Water Pump 50-630 GPH Tunze Silence 1073.020 Water Pump 50-630 GPH Tunze Silence 1073.020 Water Pump 50-630 GPH

    Tunze

    Tunze Silence 1073.020 Water Pump 50-630 GPH

    Tunze Silence 1073.020 Water Pump 50-630 GPH with different ratings and footprints exist on the aquarium equipment market. The TUNZE® Silence recirculating pumps combine all the benefits you may expect from modern, powerful recirculation pumps for...

    $119.99
  • LifeGard Quiet One Pro 4000 Pump 1022 GPH LifeGard Quiet One Pro 4000 Pump 1022 GPH LifeGard Quiet One Pro 4000 Pump 1022 GPH LifeGard Quiet One Pro 4000 Pump 1022 GPH

    Lifegard

    LifeGard Quiet One Pro 4000 Pump 1022 GPH

    LifeGard Quiet One Pro 4000 Pump 1022 GPH Part No: R440104 Model: 4000 GPH: 1022 Ft. of Head: 10.2′ Watts: 58 Amps: 0.60 Suction: 1″ MPT Discharge: 1″ MPT  For Submersible or Dry...

    $119.92
  • Aquatrance 1000s Skimmer Pump Aquatrance 1000s Skimmer Pump Aquatrance 1000s Skimmer Pump Aquatrance 1000s Skimmer Pump Aquatrance 1000s Skimmer Pump

    Reef Octopus

    Aquatrance 1000s Skimmer Pump

    Aquatrance 1000s Skimmer Pump - Max Flow: 92gph / Max Air: 420L/H, 15SCFH- Dimensions: 4.5″ x 2.4″ x 3.6″- Power Consumption: 9watts       - Low Wattage- Direct Replacement Pump- Easy to Maintain- Pinwheel...

    $115.49
  • Mag-Drive 5 Water Pump Mag-Drive 5 Water Pump

    Danner

    Mag-Drive 5 Water Pump

    Mag Drive 5 Water PumpLet the Danner Pondmaster Magnetic Drive Pump help you improve the art of fluid motion. Designed to handle virtually any application where water needs to be moved, this quiet, efficient and reliable pump has been meeting the needs...

    $112.99
  • Mag-Drive 3 Water Pump Mag-Drive 3 Water Pump

    Danner

    Mag-Drive 3 Water Pump

    Mag Drive 3 Water Pump Let the Danner Supreme Magnetic Drive Pump help you improve the art of fluid motion. Designed to handle virtually any application where water needs to be moved, this quiet, efficient and reliable pump has been meeting the needs of...

    $110.99
  • Eheim 1048 Universal Water Pump Eheim 1048 Universal Water Pump

    Eheim

    Eheim 1048 Universal Water Pump

    Eheim 1048 Universal Water Pump World-renowned aquarium pump boasts exceptional quality and reliable performance. Epoxy filled, hermetically sealed, low energy consumption motors result in silent, efficient operation while surpassing the highest safety...

    $109.99
  • Simplicity DC-1000 Water Pump, 1,000GPH, 30W Simplicity DC-1000 Water Pump, 1,000GPH, 30W Simplicity DC-1000 Water Pump, 1,000GPH, 30W Simplicity DC-1000 Water Pump, 1,000GPH, 30W Simplicity DC-1000 Water Pump, 1,000GPH, 30W

    Simplicity

    Simplicity DC-1000 Water Pump, 1,000GPH, 30W

    Simplicity DC-1000 Water Pump, 1,000GPH, 30W Simplicity DC Pumps are designed to meet the needs of all types of aquariums at a price point that you’ll love. These high-efficiency pumps are extremely powerful and quiet. The included controller...

    $109.95
  • Mag-Drive 2 Water Pump Mag-Drive 2 Water Pump

    Danner

    Mag-Drive 2 Water Pump

    Mag Drive 2 Water PumpLet the Danner Supreme Magnetic Drive Pump help you improve the art of fluid motion. Designed to handle virtually any application where water needs to be moved, this quiet, efficient and reliable pump has been meeting the needs of...

    $107.99
  • Blueline 10 HD Water Pump - 175 gph Blueline 10 HD Water Pump - 175 gph Blueline 10 HD Water Pump - 175 gph

    BlueLine

    Blueline 10 HD Water Pump - 175 gph

    Blueline 10 HD External Water Pump by Pan World. These pumps are designed and built by a former chief engineer from Iwaki-Japan. They feature the same flow curves, high head pressure, low noise, and reliability that have made Iwaki the best...

    $103.99
  • Kamoer F1 Liquid Dosing Pump Kamoer F1 Liquid Dosing Pump Kamoer F1 Liquid Dosing Pump Kamoer F1 Liquid Dosing Pump

    Kamoer

    Kamoer F1 Liquid Dosing Pump

    Kamoer F1 Liquid Dosing Pump Convenient Remote Control with WiFi and Simple Local Control with Bluetooth The Kamoer F1 is a single-channel intelligent liquid dosing pump with BOTH WiFi and Bluetooth control capabilities. This unit will allow the...

    $103.94
  • Eco Wave EW-25 Wave Pump Eco Wave EW-25 Wave Pump Eco Wave EW-25 Wave Pump Eco Wave EW-25 Wave Pump Eco Wave EW-25 Wave Pump

    Your Choice Aquatic

    Eco Wave EW-25 Wave Pump

    Eco Wave EW-25 Wave Pump Your Choice Aquatics Wave Pump Model EW-25  12 months warranty Power 23w 110-240V 50/60Hz Output DC24v at 1.5A 8000 L/H or approximately 2100 GPH Suggested 80-100cm /31-39" long tank or 10-12mm/.39-.47"...

    $99.99
  • Sicce Voyager 4 High Flow Powerhead, 1,600 gph

    Sicce

    Sicce Voyager 4 High Flow Powerhead, 1,600 gph

    Sicce Voyager 4 High Flow Powerhead, 1,600 gphThe Voyager 4 is the NEW stream pump for marine aquariums, reef aquariums, and fresh water aquariums, with flow rates up to 800 gallons per hour. Thanks to the exclusive magnetic support, it can be positioned...

    $99.99
  • Simplicity Dosing Container- 3 x 2 Liter Simplicity Dosing Container- 3 x 2 Liter

    Simplicity

    Simplicity Dosing Container- 3 x 2 Liter

    Simplicity Dosing Container- 3 x 2 Liter The new Simplicity Dosing Container is a compact vessel that holds a lot more of your Ca/Alk/Mg than you would think by looking at it.  (W4.3/4 x L9x11 3/4" x H7 7/8)  Holds 2 liters x 3 Sensor...

    $99.95
  •  Sicce Syncra 1.5 Water Pump, 357 GPH   Sicce Syncra 1.5 Water Pump, 357 GPH   Sicce Syncra 1.5 Water Pump, 357 GPH   Sicce Syncra 1.5 Water Pump, 357 GPH   Sicce Syncra 1.5 Water Pump, 357 GPH

    Sicce

    Sicce Syncra 1.5 Water Pump, 357 GPH

    Sicce Syncra Water Pump Model 1.5, 357 GPH Thanks to of 35 years of experience, Sicce`s Syncra Silent pumps are equipped with a synchronous motor and an advanced rotor which makes the pumps 100% silent. International patents and extensive research and...

    $89.99
  • Tunze Turbelle Nano Stream 6045 High Flow Water Pump Tunze Turbelle Nano Stream 6045 High Flow Water Pump

    Tunze

    Tunze Turbelle Nano Stream 6045 High Flow Water Pump

    ****Non-Controllable**** Tunze Turbelle Nano Stream 6045. **** PRODUCT MANUAL **** For us design is much more than only styling of existing products: It is the expression of an idea and a concept; it opens one’s eyes. Turbelle® nanostream®...

    $89.99
  • Tunze Turbelle High Jet Tunze Turbelle High Jet Tunze Turbelle High Jet

    Tunze

    Tunze Turbelle High Jet

    Tunze Turbelle High Jet The Turbelle® High Jet is a replacement dosing pump with safety extra low voltage 12 V DC for Osmolator® nano 3152 and Osmolator® 3155 and belongs to a new generation of centrifugal pumps with a high delivery height and small...

    $84.99
  •  Bubble Magus TS1 Master Single Dosing Pump  Bubble Magus TS1 Master Single Dosing Pump  Bubble Magus TS1 Master Single Dosing Pump  Bubble Magus TS1 Master Single Dosing Pump

    Bubble Magus

    Bubble Magus TS1 Master Single Dosing Pump

    Bubble Magus TS1 Single Dosing Pump  Bubble Magus has been producing fine dosing components and is a staple in the reef aquarium hobby. Their newest dosing pump system incorporates the TS1 and TS2 making them one of the easiest dosing pump systems to...

    Was: $99.99
    Now: $79.99
  • Sicce Voyager 3 High Flow Powerhead, 1,200 gph

    Sicce

    Sicce Voyager 3 High Flow Powerhead, 1,200 gph

    Sicce Voyager 3 High Flow Water Pump, Powerhead, 1,200 GPHThe Voyager 3 is the NEW stream pump for marine aquariums, reef aquariums, and fresh water aquariums, with flow rates up to 800 gallons per hour. Thanks to the exclusive magnetic support, it can...

    $79.99
  •  Sicce Syncra 1.0 Water Pump, 251 GPH   Sicce Syncra 1.0 Water Pump, 251 GPH   Sicce Syncra 1.0 Water Pump, 251 GPH   Sicce Syncra 1.0 Water Pump, 251 GPH   Sicce Syncra 1.0 Water Pump, 251 GPH

    Sicce

    Sicce Syncra 1.0 Water Pump, 251 GPH

    Sicce Syncra Water Pump Model 1.0, 251 GPH Thanks to of 35 years of experience, Sicce`s Syncra Silent pumps are equipped with a synchronous motor and an advanced rotor which makes the pumps 100% silent. International patents and extensive research and...

    $69.99
  • Sicce Voyager 2 High Flow Powerhead, 800 gph

    Sicce

    Sicce Voyager 2 High Flow Powerhead, 800 gph

    Sicce Voyager 2 High Flow Water Pump, Powerhead, 800 GPHThe Voyager 2 is the NEW stream pump for marine aquariums, reef aquariums, and fresh water aquariums, with flow rates up to 800 gallons per hour. Thanks to the exclusive magnetic support, it can be...

    $69.99
  •  Tunze Turbelle Nanostream 6020  Tunze Turbelle Nanostream 6020  Tunze Turbelle Nanostream 6020  Tunze Turbelle Nanostream 6020

    Tunze

    Tunze Turbelle Nanostream 6020

    Tunze Turbelle Nanostream 6020 Tunze Turbelle Nanostream 6020 Electronic was designed to be hidden behind rock work and not on display like what happens with most pumps these days. They point vertically, shooting water directly at the deflector, which...

    $64.99
  • Tunze Turbelle Nano Stream 6015 High Flow Water Pump Tunze Turbelle Nano Stream 6015 High Flow Water Pump Tunze Turbelle Nano Stream 6015 High Flow Water Pump

    Tunze

    Tunze Turbelle Nano Stream 6015 High Flow Water Pump

    Tunze Turbelle Nano Stream 6015 For us design is much more than only styling of existing products: It is the expression of an idea and a concept; it opens one’s eyes. Turbelle® nanostream® combines aesthetics and function; it creates...

    $57.79
  •  Sicce Syncra 0.5 Water Pump, 185 GPH   Sicce Syncra 0.5 Water Pump, 185 GPH   Sicce Syncra 0.5 Water Pump, 185 GPH   Sicce Syncra 0.5 Water Pump, 185 GPH   Sicce Syncra 0.5 Water Pump, 185 GPH

    Sicce

    Sicce Syncra 0.5 Water Pump, 185 GPH

    Sicce Syncra Water Pump Model 0.5, 185 GPH Thanks to of 35 years of experience, Sicce`s Syncra Silent pumps are equipped with a synchronous motor and an advanced rotor which makes the pumps 100% silent. International patents and extensive research and...

    $54.99
  • Ecotech Vectra Battery Backup Booster Ecotech Vectra Battery Backup Booster

    EcoTech Marine

    Ecotech Vectra Battery Backup Booster

    Ecotech Vectra Battery Backup Booster  The Battery Backup Booster accessory allows the EcoTech Battery Backup to be used with the Vectra series return pumps. Backup Operation Time When using the EcoTech battery backup, Vectra run time is...

    $49.99
  • Sicce Voyager Nano 2000, 530 GPH 

    Sicce

    Sicce Voyager Nano 2000, 530 GPH 

    Sicce Voyager Nano 2000, 530 GPH Asked to push the envelope for a small and efficient pump with high flow rate, the Voyager Nano was born. This pump, with a flow rate of 530 gallons per hour, gives new meaning to a small footprint without sacrificing the...

    $49.99
  • Replacement Volute for BlueLine 20HD Water Pump Replacement Volute for BlueLine 20HD Water Pump

    BlueLine

    Replacement Volute for BlueLine 20HD Water Pump

    Replacement Volute for BlueLine 20HD Water PumpBlueLine Water Pumps: These pumps are designed and built by a former chief engineer from Iwaki-Japan. They feature the same flow curves, high head pressure, low noise, and reliability that have made Iwaki...

    $47.99
  •  LifeGard Quiet One Pro 1200 Pump 317 GPH  LifeGard Quiet One Pro 1200 Pump 317 GPH  LifeGard Quiet One Pro 1200 Pump 317 GPH  LifeGard Quiet One Pro 1200 Pump 317 GPH  LifeGard Quiet One Pro 1200 Pump 317 GPH

    Lifegard

    LifeGard Quiet One Pro 1200 Pump 317 GPH

     LifeGard Quiet One Pro 1200 Pump 317 GPH Part No: R440102 Model: 1200 GPH: 317 Ft. of Head: 7.0′ Watts: 17.5 Amps: 0.40 Suction: 1/2" MPT Discharge: 1/2" MPT  For Submersible or Dry Applications...

    $42.30
  • Bubble Magus Dosing Pump Bracket Bubble Magus Dosing Pump Bracket Bubble Magus Dosing Pump Bracket

    Bubble Magus

    Bubble Magus Dosing Pump Bracket

    Bubble Magus Dosing Pump Bracket Dimensions: Approx. 9.75 x 8 x 2.5" Fits T11 and T12 Buble Magus Dosing pumps.    Bubble Magus Dosing Pump Bracket Dimensions: Approx. 9.75 x 8 x 2.5" Fits T11 and T12 Buble Magus Dosing pumps...

    $39.99
  • JBJ FP-750 Water Pump JBJ FP-750 Water Pump

    JBJ

    JBJ FP-750 Water Pump

    JBJ FP-750 Water Pump Submersible Return Pump is ideal for use in your aquarium’s return system and provides water circulation within fresh or saltwater aquariums. Accela Submersible Pump motors are epoxy-sealed and designed for consistent power with...

    $39.99
  • Simplicity Modular Dosing Container, 2 Liters Simplicity Modular Dosing Container, 2 Liters Simplicity Modular Dosing Container, 2 Liters

    Simplicity

    Simplicity Modular Dosing Container, 2 Liters

    Simplicity Modular Dosing Container, 2 Liters Dimensions: (4.5" X 4.8" X 8.5")   Modular design with built-in connections for easy expansion 2L high-capacity compartment Easy-to-read graduations, oz/ml The tight-fitting lid stays in place...

    $39.95
  • NEWA Maxi Jet 900 Power Head NEWA Maxi Jet 900 Power Head NEWA Maxi Jet 900 Power Head NEWA Maxi Jet 900 Power Head

    NEWA

    NEWA Maxi Jet 900 Power Head

    NEWA Maxi Jet 900 Power Head The Original NEWA Maxi MP900 multi-use submersible pump and powerhead is built to perform and last under the harshest conditions. Ideal for wave makers, protein skimmers, calcium reactors, nano aquariums, under...

    $38.99
  •  Sicce Micra Plus Water Pump, 158 GPH   Sicce Micra Plus Water Pump, 158 GPH   Sicce Micra Plus Water Pump, 158 GPH

    Sicce

    Sicce Micra Plus Water Pump, 158 GPH

    Sicce Micra Plus Pump 158 GPH, 2.8 ft. Head Micra Plus Pumps are completely submersible recirculation pumps for every type of aquarium, terrarium, internal or external fountain, landscaping construction, and for any application which requires the...

    $36.99
  • JBJ Accela 1000 Submersible Power Head, 266gph

    JBJ

    JBJ Accela 1000 Submersible Power Head, 266gph

    JBJ Accela 1000 Submersible Power Head, 266gphJBJ introduces the extremely efficient ACCELA™ Powerhead. This submersible pump is ideal for use with undergravel filters and provides water circulation within fresh or saltwater aquariums...

    $36.00
  • Ice Cap Magnetic Tubing Holder 4 Port Ice Cap Magnetic Tubing Holder 4 Port Ice Cap Magnetic Tubing Holder 4 Port

    IceCap

    Ice Cap Magnetic Tubing Holder 4 Port

    Ice Cap Magnetic Tubing Holder 4 Port The IceCap magnetic tube holder universally mounts tubing securely to most smooth locations up to 1/2in thick. Also available as a 2-Tube holder and a 4-Probe holder. Magnetic holder can be fixed on the sump or...

    $33.48
  •  Sicce Micra Water Pump, 90 GPH   Sicce Micra Water Pump, 90 GPH   Sicce Micra Water Pump, 90 GPH

    Sicce

    Sicce Micra Water Pump, 90 GPH

    Sicce Micra Pump 90 GPH, 1.9 ft. Head Micra Pumps are completely submersible recirculation pumps driven by a permanent magnet type synchronous motor for every type of aquarium, terrarium, internal or external fountain, landscaping construction, and for...

    $29.99
  • 5 Liter Space Saver Deluxe Dosing Container 5 Liter Space Saver Deluxe Dosing Container 5 Liter Space Saver Deluxe Dosing Container 5 Liter Space Saver Deluxe Dosing Container

    AquaCave

    5 Liter Space Saver Deluxe Dosing Container

    5 Liter Space Saver Deluxe Dosing Container This lightweight, rectangular-shaped, high-density polyethylene container features a convenient carrying handle. The straight wall is 9-3/16"L x 2.5"W x 14-5/8"H. The graduations are at 1, 2, 3, and 4 liters...

    $29.95
  • Tunze Y Adapter Cable 7090.300 Tunze Y Adapter Cable 7090.300

    Tunze

    Tunze Y Adapter Cable 7090.300

    Tunze Y Adapter Cable 7090.300 Y adapter cable Connects two Turbelle® controllers for simultaneous controlling. An additional third pump or Moonlight 7097.050 can be connected. Connects SmartController 7000 with Turbelle® pumps and / or TUNZE® LEDs...

    $26.79
  • JBJ Accela 400 Submersible Power Head, 166gph

    JBJ

    JBJ Accela 400 Submersible Power Head, 166gph

    JBJ Accela 400 Submersible Power Head, 166gphJBJ introduces the extremely efficient ACCELA™ Powerhead. This submersible pump is ideal for use with undergravel filters and provides water circulation within fresh or saltwater aquariums...

    $23.00
  •  VorTech MP40 Pump Foam Guard, three pack   VorTech MP40 Pump Foam Guard, three pack

    EcoTech Marine

    VorTech MP40 Pump Foam Guard, three pack

    Foam Guard for EcoTech Pump. (this is the foam pads only, pictured with pump to show installation only)Package includes: 3 Marine FOAM Guards Pads for VorTech Propeller PumpFoam Guard for EcoTech Pump. (this is the foam pads only, pictured with pump to...

    $19.99
  • Ecotech Marine Intake Kit for Vectra S2 Pump Ecotech Marine Intake Kit for Vectra S2 Pump

    EcoTech Marine

    Ecotech Marine Intake Kit for Vectra S2 Pump

    Ecotech Marine Intake Kit for Vectra S2 Pump Intake Barb Size: 1" Output Barb Size: 3/4"  What's Included? 1x Intake Barb Fitting 1x Output Barb Fitting 1x Intake Screen  Product code: 8539Item No. WP-ET-ETM4151

    $19.99
  • VorTech MP10 Pump Foam Guard, three pack VorTech MP10 Pump Foam Guard, three pack

    EcoTech Marine

    VorTech MP10 Pump Foam Guard, three pack

    Foam Guard for EcoTech Pump. (this is the foam pads only, pictured with pump to show installation only)Package includes: 3 Marine FOAM Guards Pads for VorTech Propeller PumpVorTech MP10 Pump Foam Guard, three pack. Foam Guard for EcoTech Pump. (this is...

    $19.99
  • HX2500 Water Pump, 172 gph HX2500 Water Pump, 172 gph HX2500 Water Pump, 172 gph HX2500 Water Pump, 172 gph HX2500 Water Pump, 172 gph

    Hailea

    HX2500 Water Pump, 172 gph

    HX2500 Water Pump A great value, these powerful submersible water pumps are ideal for a wide variety of applications, including hatcheries, aquariums, hydroponics, and water gardens. Magnetically driven, they are fresh and saltwater compatible and...

    $19.95