SELECTING THE RIGHT CANISTER FILTER
1. SunSun HW-302
- Flow Rate: 1,000 L/h (264 GPH)
- Suitable Tank Size: Up to 100 gallons (~380 liters)
- Filtration Stages: 3-stage (mechanical, chemical, biological)
- Features: Self-priming pump, adjustable spray bar
- Best For: Budget-conscious aquarists with small to medium tanks
- Pros: Affordable, quiet, easy setup
- Cons: No UV sterilizer
2. SunSun HW-303B
- Flow Rate: 1,400 L/h (370 GPH)
- Suitable Tank Size: Up to 100 gallons (~380 liters)
- Filtration Stages: 4-stage + 9W UV sterilizer
- Features: Built-in UV sterilizer, self-priming
- Best For: Medium-stocked aquariums
- Pros: UV helps control algae & bacteria
- Cons: Slightly overpowered for smaller tanks
3. SunSun HW-304B
- Flow Rate: 2,000 L/h (525 GPH)
- Suitable Tank Size: Up to 150 gallons (~570 liters)
- Filtration Stages: 5-stage + 9W UV sterilizer
- Features: Self-priming, multi-stage filtration
- Best For: Larger tanks or heavily stocked tanks
- Pros: High flow, effective filtration
- Cons: Larger size requires more space
4. SunSun HW-603B
- Flow Rate: 400 L/h (106 GPH)
- Suitable Tank Size: Up to 15–20 gallons (~60 liters)
- Filtration Stages: 3-stage (mechanical, chemical, biological)
- Features: Compact, energy-efficient, includes pads & hoses
- Best For: Small freshwater or saltwater tanks
- Pros: Affordable, space-saving
- Cons: Limited flow for heavily stocked tanks
5. SunSun HW-604B
- Flow Rate: 800 L/h (211 GPH)
- Suitable Tank Size: Up to 30 gallons (~120 liters)
- Filtration Stages: Multi-stage (mechanical, chemical, biological)
- Features: Includes filter pads, hoses, and fittings
- Best For: Medium-sized aquariums
- Pros: Higher flow, versatile
- Cons: May be too large for very small tanks
6. SunSun HW-3000
- Flow Rate: 1,200–3,000 L/h (317–792 GPH)
- Suitable Tank Size: Up to 75 gallons (~300 liters)
- Filtration Stages: 5-stage + 9W UV sterilizer
- Features: Adjustable flow, includes media kits & filter bags
- Best For: Larger tanks or high bio-load
- Pros: Flow control, UV sterilization
- Cons: Requires more space
7. SunSun HW-5000
- Flow Rate: 1,800–4,600 L/h (475–1,215 GPH)
- Suitable Tank Size: Up to 264 gallons (~1,000 liters)
- Filtration Stages: 4-stage + 9W UV sterilizer
- Features: High flow, UV sterilizer, multiple power options
- Best For: Very large aquariums or ponds
- Pros: High capacity, effective for big setups
- Cons: Large footprint, higher power consumption
8. SunSun HW-704B
- Flow Rate: 3,000 L/h (793 GPH)
- Suitable Tank Size: Up to 200 gallons (~760 liters)
- Filtration Stages: 5-stage + 9W UV sterilizer
- Features: Self-priming, multi-stage filtration
- Best For: Large aquariums or tanks with high bio-load
- Pros: High flow, UV sterilizer
- Cons: May be too powerful for smaller tanks
Tips for Choosing the Right Filter
Tank Size & Stocking Density: Choose a filter with a flow rate ~4–5× your tank volume.
UV Sterilizer: Useful to control algae and pathogens, especially in larger tanks.
Available Space: Check physical size before buying, especially for HW-5000 & HW-704B.
Budget: Balance features vs. cost; smaller models are more budget-friendly.