Elos NS4000 Natural Skimmer

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Elos PS4000 Protein Skimmer

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  • Elos PS4000 Protein Skimmer


Despite its big size, this Skimmer is still designed to fit inside many middle sized SUMP. Its resonable footprint and height perfectly matches the design of our bigger aquarium cabinets/sump and will, for sure, become a nice addition to many setups.
As for all our skimmer range, also this model is made with really a lot of attention to details. Its body is made of very solid and polished acrylic and sits on 4 small rubber feet to avoid any vibration noise. It uses a "pin-wheel-injection-system", in order to create the foam needed, the pump is fed into the protein skimmer’s body via a bubble plate. The bubble plates sits a little off center to reduce turbulence and increase contact time. A special "double injector" increases the efficiency of its relative small commercial pump, making this skimmer top Performer in term of efficiency, when compared to similar models on the market that uses big, expensive pumps.
We really think this is a key point for skimmer: the pump in a skimmer is always the weekest point and we believe it is really important to use a pump easy to replace, and reasonably priced!
Made to be easy to maintain and clean, the top is designed to be removed for easy cleaning. Its collection cup is relatively big and has a predrilled hole near the top which comes in handy if you want to attach an extra skimmate collector.


  • All tubes made High Quality Acrylic with a thickness from 4- 6 mm
  • CNC worked, hand polished collection cone (30 cm thickness) to better concentrate the waste collection
  • 1 cm thick baseplate with rubber feet
  • Removable top for easy maintanance
  • Removable bubble plate
  • Off Center bubble place for turbulence reduction.
  • Skimmer flotate cup perfectly coupled to the skimmer body, easy to remove (one-hand operation), totally sealed and salt creep free
  • Elevated discharge outflow, to function without being influenced by the water level in the sump
  • Acoustic waves uncoupling system
  • Low maintenance thanks to the use of a commercial pump
  • Capacity: 550-750 Gallons (2100-2900 liters)
  • Size: 8.27" x 14.17" x 23.23"
  • Pump: 2 x PSK1000
  • Diameter: 7.88" (100mm)
  • Power Consumption: 30 watts


Quick Overview

Elos PS4000 Protein Skimmer

Additional Information

Manufacturer Elos