Product Review
The Sun Sun HW-304B Canister Filter is a high-capacity external filter designed for large aquariums, offering multi-stage filtration combined with UV sterilization. The built-in 9W UV sterilizer helps eliminate harmful bacteria, algae spores, and parasites, ensuring cleaner and healthier water. With its strong flow rate, spacious media capacity, and quiet operation, this canister filter is an excellent choice for freshwater, planted, and marine aquariums.
Specifications
Model: Sun Sun HW-304B
Type: External Canister Filter with UV Sterilizer
Filtration Stages: Multi-stage (mechanical, biological, chemical + UV sterilization)
Recommended Tank Size: Up to 600 liters (160 gallons)
Flow Rate: 2000 L/H (liters per hour)
UV Sterilizer: 9W – Eliminates harmful bacteria and algae
Power Consumption: Low energy usage
Hose Size: Varies based on model setup
Media Capacity: Large filter trays for customizable media setup
Ideal For: Freshwater, planted, and marine aquariums
Key Points
Multi-Stage Filtration with UV Sterilization – Ensures crystal-clear, bacteria-free water
High Flow Rate – Ideal for large aquariums, providing strong circulation
Spacious Media Trays – Supports different filter media for maximum efficiency
Energy-Efficient & Quiet Operation – Low power consumption with minimal noise
Easy Installation & Maintenance – Designed for user-friendly setup and cleaning
Usage
Suitable for large aquariums (up to 600L)
Perfect for freshwater, marine, and high-bioload tanks
UV sterilizer helps control algae and harmful microorganisms
Usage Tips
Regularly clean the filter media to maintain optimal performance
Use the UV sterilizer as needed to prevent excess algae growth
Prime the filter before the first use for smooth water flow
Note
Not suitable for small tanks due to high water flow
UV light should not be used continuously—use it as needed to control bacteria and algae