Lifegard Aquatics

Quiet One PRO 3000 ( 758 GPH) - Lifegard

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Lifegard Quiet One Pumps have been used by reefers for years for silent reliable water movement. Typically employed as a return pump, Lifegard pumps can be used for almost any application where water needs to be moved continuously. 



  • Extremely quiet operation...so quiet you’ll swear it’s not running.
  • Safe for Salt or Freshwater applications.
  • ECO-SAV™ generates more power with less energy consumption.
  • Internal recirculation prevents overheating and ejects obstructing debris.
  • Remarkable impeller technology provides combined rotors, improved shaft materials and corrosion resistant bearings.
  • EZ Access Covers allow ease of maintenance of rotor, shaft and removable impellers.
  • Innovative “cooling chambers” provide air-cooling during dry use and water-cooling in wet applications.
  • Pre-­ filter Grill with Flow Control Valve in submersible applications



  • Output: 758 GPH
  • Maximum Head Height: 10.3 FT
  • Power Consumption: 49 W
  • Inlet: 1" MPT & Barbed Fittings
  • Outlet: 1" MPT & Barbed Fittings
  • Chord Length: 6 FT
  • Dimensions: 6.11" L x 4.02" W x 4.33" H
More Information
UPC 788379300029
Variable Speed No
Gallons Per Hour 600 - 1000 GPH
Max Head Height 10 - 15 Feet
Output Size 1 in.
Power Type AC
Power Consumption 49W
Power Cord Length 6 Feet
Input Size 1.0"
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Product Questions

I’m putting together a 40 breeder with a 20 sump. I’ll have a 1.5 drain, with a return coming from a single pump to a why, for 2 returns, one on either side of the tank. The tank is approximately 3’ above the sump. What size pump would you suggest?
Question by: Stephen S. on Jan 14, 2018, 7:52 PM
This would be a great pump for a 40br with your head height requirements. You should be pushing just below 10x the display size per hour with this pump and your plumbing configuration. : )
Answer by: Charlie on Jan 17, 2018, 4:50 PM
Should the pumps max flow be 10x the tank volume or the pumps adjusted head flow be 10x the tank volume? I have a 58 gallon with a sump just below and trying to decide between the 2200 or the 3000. Trying to be as energy efficient as possible :)
Question by: Brennan on May 10, 2017, 1:40 PM
Hey there,
The general rule of thumb is to achieve about 5-10x turnover of the display volume through the sump each hour, so this would be the adjusted flow after head pressure and plumbing restrictions. It's not absolutely required to get 10x per hour if you have good water movement in the display from powerheads, and many people will sit at the lower end of the spectrum around 5x per hour or even slightly less. To avoid losing too much power/flow from plumbing, use at least the same size plumbing as the output, or even go up a size, and avoid overly-complicated plumbing setups which reduce flow even further. A basic and direct plumbing scheme from pump to display is the most efficient.

Happy reefing!
Answer by: Zack on May 14, 2017, 2:30 PM
I am curious on which one of these I would need to purchase.... I have a 125 gallon tank with a 55 galloon sump that I will be installing in May. I am not exactly sure which one of these I would need.

Thank you
Question by: Jennifer on Mar 21, 2016, 12:33 PM
Great question!
For a return pump you will typically need 10X your system volume. With a 125 gallon tank you will want at least 1250 GPH flow. stepping up to larger pump is beneficial in that it will account for the drop in head height from pushing the water up. Feel free to let us know if you have any further questions!
Answer by: Connor on Mar 22, 2016, 10:40 AM