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Bubble King Double Cone 250 Protein Skimmer

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Bubble King performance in an elegant, value-oriented package for tanks up to 396 gallons. 


The Double Cone is Bubble King's cost saving line, featuring a lightweight wine-glass shaped acrylic body and BK's famous Red Dragon 3 Mini Speedy pump. The cost savings comes from the use of lighter weight extruded acrylic for the body and a simpler overall design, and you can expect the same reliability and premium skimmer performance that you would from any Bubble King skimmer.


Bubble King has been the gold standard in premium skimmers for decades now. From tiny details like titanium screws and high performance impeller bearings to premium acrylic bodies and Red Dragon pumps, no detail is overlooked in crafting the highest performing skimmer for the hobbyist who demands the best in every aspect of their system. When you buy a Bubble King, you are getting a skimmer that you can count on to deliver years of reliable service.


BRS Recommended for tanks up to:

  • Heavy Bioload (Most Common) -  220 Gallons
  • Medium Bioload - 317 Gallons
  • Light Bioload - 396 Gallons 


Skimmer Specifications:

  • Base Plate: 11.81" x 14.57"
  • Foot Print (w/pump): 14.96” x 17.32"
  • Total Height: 23.23”
  • Output Size: 50mm
  • Recommended sump water depth: 5.12" - 9.84"


Red Dragon 3 Mini Speedy Pump Specifications:

  • Max Air Draw: up to 2,000 LPH
  • Max Power Consumption: 50W (Recommend 34-48W for 250 size)
  • Motor Speed: Adjustable from 400-4,000 1/Min
  • Delivery Rate: 1,056 GPH
  • Pump Dimensions: 3.94 ′′ W x 6.30 ′′ L x 5.51 ′′ H
  • Controller Dimensions: 5.51" W x 7.48" L x 2.76" H


Pump Features:

  • Saltwater resistant M6 grade 2 titanium screws
  • Only saltwater resistant pump with titanium rotor, titanium stator and high performance ceramic bearings
  • Saltwater resistant parabolic rubber feet for acoustic decoupling
  • Extreme low noise brushless DC-delivery pump with grouted power electronics
  • Compact dimensions
  • Hollow shaft for bypass purging in the rotor housing
  • Heavy and massive craftsmanship against vibrations and oscillation
  • CE conformity, developed and built according to VDE guidelines


What's Included?

  • Bubble King Double Cone 250 Skimmer Body & Lid
  • Red Dragon 3 Mini Speedy Pump 50 Watt/2,000 l/h
  • Red Dragon 3 Pump Controller
More Information
Skimmer Type In-Sump / Internal
Capacity Light Bioload - Up to 396 Gallons
Medium Bioload - Up to 317 Gallons
Heavy Bioload - Up to 220 Gallons
Dimensions 14.96”L x 17.32"W x 23.23"H
Rec. Water Level 5.12" - 9.84"
Output Size 2 in.
Air Draw 2000 LPH
Flow Rate 1,056 GPH
Pump Model Red Dragon 3 Mini Speedy Pump 50 Watt/2,000 l/h
Pump Rotor Type Needlewheel
Variable Speed Yes
Power Type DC
Power Consumption Up to 50 Watts
Power Cord Length 12 Feet
Pump Included Yes
Gallons Per Hour 1000 - 2000 GPH
Control Type Digital DC Control (Controller Included)
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