The Bubble King Double Cone 300 RDX is an internal skimmer developed by Royal Exclusiv for large-capacity reef aquariums. Its Double Cone design improves foam stability and optimizes the removal of dissolved organic compounds present in the water.
Recommended Aquarium: 1000 L to 2000 L
Maximum Air Intake: 2500 L/h
Maximum Water Flow: 6500 L/h
Pump: Red Dragon X 6500 DC 24V
Maximum Power: 60 W
Skimmer Base: 35 cm x 42 cm
Total Height: approximately 60 cm
Weight: 12 kg including pump
| Feature | Value |
|---|---|
| Model | Bubble King Double Cone 300 RDX |
| Skimmer Type | Internal |
| Pump | Red Dragon X 6500 DC |
| Air Intake | 500 to 2500 L/h |
| Water Flow | 600 to 6500 L/h |
| Maximum Power | 60 W |
| Power Adjustment | 8 levels (approximately 8 W to 63 W) |
| Power Supply Voltage | 100–240 V |
| Frequency | 50–60 Hz |
| Technology | 24 V DC |
| Pump Protection Rating | IP68 |
| Controller Protection Rating | IP66 |
| Pump Weight without Controller | 1.25 kg |
| Parameter | Value |
|---|---|
| Minimum Level | 150 mm |
| Maximum Level | 250 mm |
| Element | Dimensions |
|---|---|
| Skimmer Base | 350 mm x 420 mm |
| Total Height | 600 mm |
| Element | Dimensions |
|---|---|
| Pump | 90 mm width / 150 mm length / 130 mm height |
| Controller | 30 mm width / 95 mm length / 105 mm height |
| Height on Suction Side | 45 mm (center) |
The Red Dragon X 6500 DC pump uses a brushless motor for silent and stable operation. Multi-level adjustment allows for adapting the air and water flow to the specific needs of the reef aquarium.
The Bubble King Double Cone 300 RDX is designed to be installed in the sump. A stable water level between 150 mm and 250 mm is recommended to ensure effective foam production.
Bubble King Double Cone 300 RDX Skimmer
Red Dragon X 6500 DC Pump
Electronic Controller
Power Supply
Connection Cables
User Manual
Regular cleaning of the pump, needle wheel, and air intake helps maintain the skimmer's performance and prevent the buildup of lime deposits.