Bubble King® 400 DeLuxe External Protein Skimmer

Recommended Aquarium Size

Suitable for marine aquariums ranging from:

• 1,500 to 4,000 liters

Key Specifications

Bubble King® 400 DeLuxe External

• Maximum air intake: 5,000 l/h

• Water throughput: 15,000 l/h

• Pump configuration: 2 × Bubble King® 2500 DC

• Footprint: 43 × 43 cm

• Height: approximately 77 cm

Technical Specifications

Skimmer Pumps

The Bubble King® 400 DeLuxe External is equipped with two proprietary Red Dragon® Bubble King® 2500 DC needle wheel pumps.

Per Pump Specifications

• Adjustable 24 V DC pump

• Maximum power consumption: 67 W

• Maximum air intake: 2,500 l/h

• Water throughput: approximately 7,500 l/h

• Operating voltage: 100–240 V, 50/60 Hz

• Protection class: IP68

• Removable controller and power supply

Cable Lengths

• Pump to controller: approximately 3 m

• Controller to power supply: approximately 1.5 m

Note: An external feed pump is required.

Combined Performance

With two BK2500 DC pumps, the Bubble King® 400 DeLuxe External provides:

• Maximum air intake: 5,000 l/h

• Water throughput: 15,000 l/h

• Total power consumption: up to 134 W

This level of performance makes the skimmer suitable for heavily stocked reef aquariums and large systems with demanding filtration requirements.

Dimensions and Weight

Skimmer Body (without pumps)

• Width: 425 mm

• Length: 425 mm

• Height: approximately 770 mm

Complete Dimensions (including pumps)

• Width: 815 mm

• Length: 595 mm

• Height: approximately 770 mm

Weight

• Skimmer body only: 18 kg

• Complete unit including pumps: 26 kg

Premium German Engineering

Royal Exclusiv® has been designing and manufacturing high-end protein skimmers in Germany since 1986. Every Bubble King® skimmer is precision-machined from premium materials, including:

• Polyvantis Plexiglas® acrylic

• Simona PVC sheets

• Georg Fischer piping components

The result is exceptional build quality, tight manufacturing tolerances, and outstanding long-term reliability.

Proprietary Red Dragon® Pump Technology

Unlike many manufacturers that rely on third-party pumps, Royal Exclusiv® designs and manufactures its own Red Dragon® pumps in-house.

This allows complete control over:

• Performance

• Energy efficiency

• Reliability

• Noise reduction

• Serviceability

Exceptional Energy Efficiency

Protein skimmers operate continuously, making efficiency a critical factor.

Despite delivering up to:

• 5,000 l/h of air

• 15,000 l/h of water throughput

the two BK2500 DC pumps consume a combined maximum of only 134 W, providing excellent performance with remarkably low power consumption.

Ultra-Quiet Operation

Bubble King® skimmers are widely recognized for their exceptionally quiet operation. Combined with the Red Dragon® DC pumps, the Bubble King® 400 DeLuxe External is ideal for:

• High-end reef aquariums

• Living room installations

• Large display systems

• Professional and public aquarium applications

Superior Skimming Performance

The Bubble King® design produces extremely fine and highly uniform bubbles, maximizing contact time and improving the removal of dissolved organic compounds.

Benefits include:

• Stable water parameters

• Improved water clarity

• Reduced maintenance requirements

• A healthier environment for fish and corals

Bubble King® Product Range

Conclusion

The Bubble King® 400 DeLuxe External represents the flagship of the Royal Exclusiv® protein skimmer range. Designed for aquarists who demand uncompromising performance and reliability, it combines premium German craftsmanship with proprietary Red Dragon® DC pump technology, exceptional energy efficiency, and remarkably quiet operation.

For heavily stocked reef systems and large marine aquariums between 1,500 and 4,000 liters, the Bubble King® 400 DeLuxe External provides outstanding skimming performance and long-term stability, making it a true investment in water quality and peace of mind.