YC Series All-in-One Koi Pond Filter with UV Sterilizer
Achieving crystal-clear, algae-free water is the top priority for every koi keeper and pond owner. Poor water quality leads to murky water, recurring green algae blooms, and stressed fish — issues that can ruin the enjoyment of your water feature and threaten the health of your koi. The YC Series Stainless Steel Koi Pond Filter delivers a complete, space-saving filtration solution that combines mechanical cleaning, biological purification and UV sterilization in a single rugged unit, designed for long-lasting outdoor performance.
Built for both backyard hobbyists and light commercial pond operators, the YC series handles solid waste removal, beneficial bacteria cultivation and pathogen control in one integrated system. With multiple model sizes covering small decorative ponds up to large-scale koi habitats, it delivers consistent water clarity and stable water parameters with minimal routine maintenance.
Many entry-level pond filters only trap large debris and leave fine particles and dissolved pollutants untreated, requiring separate UV units and bio chambers to achieve acceptable water quality. The YC series eliminates the hassle of piecing together separate components by integrating three core treatment stages into one compact stainless steel tank.
Its all-in-one design reduces installation time, cuts down on pipework, and ensures each filtration stage works in sync for maximum efficiency. Constructed from corrosion-resistant stainless steel, it stands up to UV exposure, temperature swings and year-round outdoor use far better than plastic filter housings.
Core Features & Performance Advantages
3-Stage Integrated Water Purification
The YC series follows a progressive treatment flow that targets contaminants at every level:
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Mechanical filtration: Traps leaves, fish waste, uneaten feed and suspended solids to prevent water cloudiness and reduce load on downstream stages.
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Biological filtration: Provides ample surface area for nitrifying bacteria colonization, breaking down toxic ammonia and nitrite to maintain a healthy, balanced pond ecosystem.
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Built-in UV sterilization: Emits controlled UV light to disrupt the DNA of free-floating algae spores and harmful pathogens, effectively suppressing green water outbreaks and reducing disease risk for koi.
Heavy-Duty Stainless Steel Build
Unlike budget plastic filters that can warp, crack or degrade under sunlight, the YC series features a full stainless steel body with excellent corrosion and weather resistance. It is built for permanent outdoor installation and retains its structural integrity across seasons, delivering a much longer service life than consumer-grade plastic alternatives.
Scalable Flow & Sizing Options
From compact patio ponds to large backyard koi habitats, the YC series offers a range of flow rates and volume capacities to match your specific setup. Each model is sized to deliver adequate turnover rates for proper filtration, ensuring your pond water cycles through the system frequently enough to stay clean and healthy.
YC Series Koi Pond Filter Technical Specifications
Below are the standard model specifications to help you select the right unit for your pond volume:
| Model |
Dimensions |
Suitable Pond Volume |
Flow Rate |
UV Power |
Water Inlet |
Water Outlet |
| QL-YC-01 |
800×400×500mm32×16×20 inch |
0–10 m³ / 0–2642 gal |
1321 gal/h |
30W |
Φ32mm / 2 inch |
2 inch |
| QL-YC-02 |
800×500×500mm |
5–15 m³ / 1321–3963 gal |
2114 gal/h / 8000 L/h |
30W |
2 inch |
Φ75mm / 3 inch |
| QL-YC-03 |
1000×500×600mm32×20×24 inch |
15–20 m³ / 3963–5284 gal |
2642 gal/h |
40W × 2 |
2 inch |
Φ75mm / 3 inch |
| QL-YC-03 (Larger) |
1000×600×600mm |
20–30 m³ / 5284–7926 gal |
– |
40W × 2 |
Φ50mm / 2 inch |
3 inch |
| QL-YC-05 |
1200×600×700mm48×24×28 inch |
30–50 m³ / 7926–13209 gal |
4227 gal/h / 16000 L/h |
40W × 2 |
2 inch |
Φ75mm / 3 inch |
| QL-YC-05 (High Capacity) |
48×28×28 inch |
50–80 m³ / 13209–21134 gal |
5284 gal/h / 20000 L/h |
60W × 2 |
– |
Φ110mm / 5 inch |
| QL-YC-07 |
52×28×32 inch |
– |
7926 gal/h |
– |
3 inch |
Φ110mm |
Custom configurations and larger capacity models are available for commercial and project use. Contact our technical team for professional pond sizing recommendations.
Ideal Applications
The YC series stainless steel pond filter is engineered for a wide range of freshwater pond and water feature scenarios:
- Backyard koi ponds and ornamental goldfish ponds
- Residential landscape water gardens and decorative water features
- Small commercial koi display tanks and retail aquarium setups
- Ornamental fish breeding and rearing facilities
- Public courtyard and garden landscape ponds
Its robust construction and reliable performance make it suitable for both personal hobby use and light commercial operation.
Simple Maintenance for Long-Term Reliability
The YC series is designed for straightforward, tool-free routine maintenance. The filter chamber is easily accessible for media inspection, cleaning and replacement, so you can keep the system running at peak efficiency without professional service calls. For best results, follow a regular cleaning schedule aligned with your pond’s fish load and seasonal conditions.
Upgrade Your Pond Filtration Today
If you are dealing with persistent green water, cloudy pond conditions or an underperforming filter setup, the YC Series all-in-one koi pond filter offers a durable, high-value solution with integrated UV sterilization.
Browse the full YC series product lineup or reach out to our team for a customized sizing quote and installation guidance for your pond project.
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