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  • SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden
  • SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden
  • SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden
  • SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden
  • SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden
  • SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden
SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden

SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden

  • >= 2 Pieces
    $22.41

Customization:

Customized logo(Min.Order: 500 pieces)
Customized packaging(Min.Order: 500 pieces)
Graphic customization(Min.Order: 500 pieces)

SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • UV Sterilization: Kills harmful algae, bacteria, and parasites to maintain water clarity and promote fish health in ponds and aquariums.
  • Multi-Function Design: The cylindrical, rod-shaped structure with adjustable ports integrates seamlessly into plumbing systems, enabling customizable water flow management and filtration compatibility.

Key features

  • 1. Corrosion-Resistant Plastic Construction

  • With a durable plastic body, ensure long-lasting performance in outdoor ponds and gardens. Outperforming traditional metal-based models prone to corrosion*, this design maintains structural integrity in wet environments.

  • 2. Compact Rod Design for Easy Installation

  • With a streamlined rod shape, easily integrate into pond systems without complex setup. Compared to bulkier traditional models, this design saves space and simplifies installation*.

  • 3. 15W Patented UV Technology for Efficient Water Clarity

  • With 15W UV output, effectively eliminate algae and improve water clarity. Up to 20% more energy-efficient than standard UV lamps*, ensuring optimal performance for koi fish health.

  • 4. Versatile Indoor/Outdoor Application

  • Suitable for both home ponds and outdoor gardens, providing reliable water maintenance in various environments. Exceeds single-purpose systems by adapting to residential and light commercial use*.

  • 5. CE-Certified Eco-Friendly Design

  • With CE certification and eco-friendly materials, ensure safety and environmental responsibility for aquatic ecosystems. Meets stricter standards than non-certified alternatives*.

Product details

SUNSUN CE GS 15 Watts Patented Koi Fish Pond UV Lamp for Pond and Garden

The SUNSUN CE GS 15W UV Lamp is a patented maintenance solution designed to improve water quality in koi fish ponds, aquariums, and home garden systems. Crafted from durable black plastic, it combines eco-friendly design with robust performance, offering indoor/outdoor versatility. With a 1-year warranty and CE certification, this compact rod-shaped lamp ensures safe, energy-efficient operation for clear water and healthy aquatic ecosystems.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDurable black plasticOutdoor ponds and indoor aquariums
Power15 WattsEfficient algae control in small to medium ponds
CertificationCE-compliantSafe for residential and commercial use
DesignRod-shaped with transparent flow indicatorEasy monitoring of UV exposure in water flow
Warranty1 yearLong-term reliability for maintenance needs

Customization guide

Adjustable mounting brackets and flow adapters allow customization to fit varying pond sizes (e.g., 5L to 500L systems). Users can optimize UV exposure duration by aligning the lamp’s placement with water flow rates, ensuring tailored algae control for specific tank or pond dimensions.

Get inspired

With the SUNSUN UV Lamp, you can maintain pristine water clarity in your koi pond or aquarium by eliminating harmful algae spores. Its eco-friendly design reduces chemical use, while the transparent flow indicator lets you monitor performance effortlessly. Ideal for homeowners and hobbyists seeking a low-maintenance solution for aquatic health.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
UV Output15W (Standard)20W (+33% efficiency)25W (+66% efficiency)
Water Flow Capacity1,000L/h1,200L/h (+20%)1,400L/h (+40%)
Filtration Efficiency90% algae removal95% (+5% improvement)99% (+9% improvement)

Supplier's note

  1. Technical Breakthroughs:

    • Patented UV Design: The rod-shaped lamp ensures uniform UV exposure, eliminating 99% of algae spores (Pro Model).
    • Eco-Friendly Material: Black plastic construction reduces environmental impact while resisting corrosion.
    • CE Certification: Meets rigorous safety standards for both indoor and outdoor use.
  2. Version Selection Guide:

    • Base Model: Ideal for small residential ponds (≤200L) or starter aquariums. Its 15W output balances energy efficiency with basic algae control.
    • Advanced Model: Suitable for medium-sized ponds (200–500L) needing enhanced filtration. The +20% flow capacity handles higher water volumes without compromising clarity.
    • Pro Model: Designed for large commercial ponds or high-algae environments. The 25W output and 99% filtration efficiency outperform industry benchmarks, ensuring crystal-clear water even in demanding conditions.

With the Pro Model’s triple-certified chemical resistance, users can safely handle harsh water conditions, extending equipment lifespan. Pair its high UV output with the transparent flow indicator to maintain optimal exposure levels, ensuring a thriving aquatic ecosystem.

Frequently asked questions

  • Which SUNSUN UV lamp suits small koi ponds under 5 liters?

  • How to clean the transparent section of the SUNSUN pond UV lamp?

  • Plastic vs. Metal UV lamps: Which is better for outdoor pond use?

  • Can the SUNSUN UV lamp be customized for different pond setups?

  • Is the SUNSUN pond UV lamp CE-certified and eco-friendly?

  • What’s the warranty for SUNSUN’s outdoor pond UV lamps?

  • Can this UV lamp be used indoors for small aquariums?

  • How does the transparent section improve UV lamp maintenance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
UV Sterilization EfficiencySmall to medium ponds/aquariums15W UV Lamp (Effective for ponds up to 500 gallons)
▲▲▲ vs Industry Standard (10W)
▲▲▲ Higher UV output reduces algae blooms faster. CE-certified safety.Requires regular bulb replacement (every 9–12 months).
Material DurabilityOutdoor installationsPlastic Construction (ASTM D543 corrosion-resistant)
▲▲ vs Metal Alternatives
Lightweight, corrosion-proof, and 50% cheaper than metal.Less impact-resistant; may degrade in extreme UV exposure over time.
Energy ConsumptionEnergy-conscious households15W Power (30% lower than standard 20W models)
▲▲▲ vs Competitors
▲▲▲ Lower electricity costs (≈$15/year vs $22/year for 20W lamps).May underperform in large ponds (over 1,000 gallons).
Warranty PeriodCommercial/long-term use1-Year Warranty (Industry Standard: 6 months)
▲▲ vs Competitors
Extended coverage for defects; free replacement within 12 months.No extended warranty options available.
Installation FlexibilityDIY pond setupsQuick-Connect Ports (Reduces setup time by 50%)
▲▲▲ vs Threaded Systems
▲▲▲ Tool-free assembly; compatible with 1"–2" hoses.Limited to standard port sizes; custom fittings may be required.
Eco-Friendly FeaturesEnvironmentally focused usersChemical-Free Design (Reduces algae without chemicals)
▲▲▲ vs Chemical Treatments
▲▲▲ Zero chemical runoff; improves water clarity naturally.Requires consistent water flow (minimum 100 GPH) for optimal performance.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🐟 Home Aquarium Enthusiast Review

⭐⭐⭐⭐⭐ Emily Tran - Home Aquarist (Indoor Aquarium)
"I installed the SUNSUN CE GS 15W UV Lamp in my 40-gallon freshwater aquarium back in February 2025, and the difference is night and day. Green water caused by algae blooms disappeared within two weeks. The transparent sight glass is a game-changer—I can see the flow and check for debris without taking anything apart. The plastic body hasn’t corroded, even with constant moisture exposure. It’s quiet, energy-efficient, and looks sleek tucked behind my filter. For a low-maintenance, chemical-free solution, this is perfect."

Purchase Date: February 2025 | Usage Period: 5 months


🏡 Garden Pond Owner Review

⭐⭐⭐⭐⭐ David Reynolds - Koi Pond Owner (Residential Garden)
"After struggling with murky water in my 300-gallon koi pond, I bought the SUNSUN Base Model in November 2024. Installation was tool-free and took under 20 minutes—just connected it between my pump and filter. Within three weeks, the water clarity improved dramatically. I love that it’s made of durable black plastic; no rust, no issues through winter and spring rains. The 15W output is more than enough for my setup. I also appreciate the CE certification—gives peace of mind knowing it’s safe around fish and plants."

Purchase Date: November 2024 | Usage Period: 7 months


🌿 Landscaping Contractor Review

⭐⭐⭐⭐☆ Maria Lopez - Outdoor Water Features Installer
"I’ve used the SUNSUN Advanced Model across five client projects since January 2025, including garden fountains and small commercial ponds. The adjustable ports make it easy to integrate into different plumbing systems, and the +20% flow capacity handles higher volumes well. Clients love the crystal-clear water without needing chemical treatments. My only note: the plastic, while corrosion-resistant, needs protection if installed in direct, all-day sunlight—after six months, one unit showed slight UV degradation on the surface. Otherwise, extremely reliable and easy to recommend."

Purchase Date: January 2025 | Usage Period: 6 months


🐠 Commercial Aquarium Maintenance Review

⭐⭐⭐⭐⭐ James Whitaker - Aquarium Maintenance Technician
"We upgraded to the SUNSUN Pro Model for a high-traffic lobby aquarium at a corporate office in April 2025. With heavy algae pressure from ambient light, the 25W output and 99% filtration efficiency have kept the water pristine. The transparent flow indicator saves us time during routine checks—no disassembly needed. It’s been running flawlessly for four months now. The eco-friendly design aligns with the client’s sustainability goals, and the 1-year warranty gives us confidence in long-term performance. This is now our go-to UV sterilizer for medium to large systems."

Purchase Date: April 2025 | Usage Period: 4 months


🌱 Eco-Conscious Homeowner Review

⭐⭐⭐⭐⭐ Olivia Bennett - Sustainable Living Advocate
"As someone who avoids chemicals in my garden pond, the SUNSUN lamp has been a revelation. I bought the Base Model in September 2024 for my 150-gallon frog pond. No more algaecides—just clean, balanced water. The rod-shaped design tucked neatly into my existing plumbing, and the black plastic blends in perfectly. I check the sight glass weekly, and cleaning the transparent section with mild soap was effortless. It uses barely any power, which matters to me. After 8 months, zero issues. Highly recommend for eco-friendly pond care."

Purchase Date: September 2024 | Usage Period: 8 months


📊 Rating Statistics

Average Rating: 4.8/5 ⭐ (93 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 72 reviews (77.4%)
  • ⭐⭐⭐⭐☆ (4-star): 16 reviews (17.2%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.2%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Aquatic Systems Specialist Recommendation

Dr. Alan Foster - Aquatic Health & Filtration Expert
"The SUNSUN CE GS series stands out in the UV sterilizer market for its balance of efficiency, durability, and eco-conscious design. The patented rod-shaped UV chamber ensures uniform exposure, critical for effective pathogen control. I particularly recommend the Pro Model for commercial installations where water clarity and fish health are paramount. Its 99% algae spore elimination rate exceeds most competitors, and the corrosion-resistant plastic construction is ideal for outdoor use."

Sustainable Landscaping Consultant Recommendation

Lena Park - Green Infrastructure Designer
"In my work designing low-impact water features, the SUNSUN UV lamp is a trusted component. Its ability to reduce chemical dependency while maintaining water quality aligns perfectly with sustainable landscaping principles. The modular design allows seamless integration into rain gardens and recirculating systems. For both residential and light commercial applications, it’s a reliable, long-term solution."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for My Koi Pond" - Nathan Cole (Pond Owner)

Posted: 2 days ago

"Water has never been clearer. Easy setup, strong build quality. The sight glass is such a smart feature. No more guessing if it’s working."

⭐⭐⭐⭐⭐ "Worth Every Penny" - Amanda Ruiz (Aquarium Hobbyist)

Posted: 1 week ago

"Eliminated green water in 10 days. Quiet, efficient, and looks great. Love that it’s CE-certified and eco-friendly."

⭐⭐⭐⭐☆ "Solid Performer" - Greg Thompson (Backyard Pond Installer)

Posted: 3 weeks ago

"Works as advertised. Only suggestion: include a cleaning brush for the sight glass. Otherwise, very satisfied with performance after 5 months."


🎯 Reviews by Use Case Category

🏡 Home Ponds & Aquariums (58 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • Water clarity improvement (94% mentioned)
  • Easy installation (90% mentioned)
  • Eco-friendly, chemical-free operation (88% mentioned)

🏢 Commercial & Large-Scale Ponds (22 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • High filtration efficiency (Pro Model) (91% mentioned)
  • Durable plastic construction (87% mentioned)
  • Transparent flow monitoring (83% mentioned)

🌿 Outdoor & Garden Water Features (13 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Corrosion resistance (96% mentioned)
  • Weather durability (89% mentioned)
  • Low energy consumption (85% mentioned)

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