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Hydor Seltz D 1000 DC Pump - 1000 GPH


Item #: HD3510

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The Hydor Seltz D DC is a high-performance, multipurpose, energy-saving pump with controllable flow. The included controller allows you to adjust the water flow to your systems needs whether it be for reservoirs, refugium, biological filter or general circulation use in fresh or salt water tanks.

Supplied with pre-filter and multi-diameter hose barb fitting to suit your plumbing needs, the Seltz D DC is perfect for almost any application you can throw at it, submerged or in-line.


  • DC controllable pump
  • 6-pole motor
  • High flow efficiency
  • 5 minute feeding timer
  • Use in submerged or in-line installation applications

Spec Comparison

Model: Seltz D 500 DC Seltz D 750 DC Seltz D 1000 DC Seltz D 1600 AC Seltz D 2400 AC Seltz D 3200 AC
Dimensions: 4.7" x 2.6" x 3.7" 6.4" x 3.1" x 4.3" 6.4" x 3.1" x 4.3" 7.6" x 3.5" x 4.7" 8.26" x 3.5" x 4.7" 8.26" x 3.5" x 4.7"
Max Flow Rate: 500 gph 750 gph 1000 gph 1600 gph 2400 gph 3200 gph
Max Head Pressure: 6.2` 8.9` 12.5` 13.5` 15.1` 16`
Wattage: 23 W 26 W 32 W 60 W 75 W 90 W
Cable Length: 6.6` 6.6` 6.6` 6` 6` 6`


  • Seltz D DC Pump
  • 1 x multi-diameter outlet hose connector
  • 2 x intake ring nuts
  • 1 x intake cage
  • 1 x multi-speed controller

Need help choosing the correct pump for your aquarium? Check out our blog post: How To Size A Return Pump

Manufacturer information

Hydor has been producing a comprehensive range of equipment for aquariums and ponds since 1984 and offers the best in high-technology for the creation of a living ecosystem at home. The factory has developed thanks to the engineering competence of its founder and its continuous growth is based on the investment it has made in research and the development of innovative technical appliances. A competitive and dynamic structure of more than 150 employees regularly engages in the implementation of products which meet the demands of 50 nations and keep pace with the evolution of the world markets. The global quality is not a simple working method but a daily expression of mind.

4 Stars


Reviewed on
April 04, 2021

Yes, I would recommend this.

Quality DC pump at great price

Pros: Features and Prices

Cons: No web control

This pump is fantastic. Beautiful controller power on demand. Using it as my return pump on my RSR 200XL. Use it for water changes. Very versatile and built by a trusted company. Yes I considered a Versa pump but the price difference was significant and it woulda been matched with my XR30 5G and MP40s. Yet the value is there with this Seltz pump. Buying the 500 to match with my new Psx Bellum N18

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Reviewed on
January 27, 2021

Yes, I would recommend this.

Hydor seltz d 1000

Pros: easy to use controller, quiet, pause / feed button feature

Cons: none

good pump, easy to take apart to clean, and quiet.

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Reviewed on
August 11, 2020

Yes, I would recommend this.

Great quality, might be underpowered

Pros: Controls

Cons: Not 1000gph

Very sturdy and impressive pump, I like the ability to control flow...I ended up getting the 2400gph instead...I had the 1000 maxed out and for some reason my 700gph pump had more flow.

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Reviewed on
July 24, 2020

No, I would not recommend this.

Not impressed!

Pros: Nice controller and quiet pump

Cons: Mine leaks

The description says "Use in submerged or in-line installation applications" I thought this would be a great pump to use on my salt water mixing station. Water everywhere... This pump opens up with a quarter turn to make it easy to clean. The o-ring that seals it off has a thin plastic surface to seal on, I had already thrown the box and items I didn't need away. My mistake. I'm stuck with it.

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Reviewed on
April 07, 2020

Yes, I would recommend this.

Cools your tank down

Pros: Reduces heat of water in reef tank compared to other return pumps

Cons: None of this is solid evidence a mystery at best

Bought this return pump to replace my mag drive 7 and ever since my tank has dropped 2/3 degrees middle of the day use to peak at 78.9 79.2 degrees now i am under 77 100% of the day even reaching as low as 75 at night use to be 78.0 at night no change in outside temp no change in Air conditioning only difference is new return pump

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Reviewed on
March 18, 2020

Yes, I would recommend this.

Good pump

Pros: very quiet

very quiet

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