OXYFUL
0 ratings
18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank Compatible to CUV-318 / CUV-618
genuine image
18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank Compatible to CUV-318 / CUV-618
OXYFUL 18W Non-Submersible UV Ultraviolet Clarifier offers top of the line technology that cleans your water through an external filter.
18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank Compatible to CUV-318 / CUV-618

18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank Compatible to CUV-318 / CUV-618

0 ratings Write a review
Out of stock
us Imported from USA store
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
OXYFUL 18W Non-Submersible UV Ultraviolet Clarifier offers top of the line technology that cleans your water through an external filter.
Search for similar products
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment

What Stands Out

High Power Output
The 18W UV lamp delivers powerful filtration, clearing water quickly for improved visibility and healthier aquatic environments, ideal for koi ponds and fish tanks.
Compatibility
Specifically designed for 2G11-4 pin bases, ensuring seamless integration with CUV-318 and CUV-618 models, preventing compatibility issues and installation hassles.
Enhanced Water Quality
Promotes optimal fish health by effectively eliminating harmful microorganisms and algae, ensuring a cleaner, safer habitat for aquatic life.

Product Details

Shop 18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank Compatible to CUV-318 / CUV-618 online at a best price in Belize. B0DC2393TP
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Aquarium Enthusiasts

    Ideal for hobbyists looking to maintain clear water and reduce algae in aquariums.

  • Koi Pond Owners

    Effective for koi pond operators needing to ensure clean water quality for healthy fish.

  • Fish Tank Setup

    Beneficial for new fish tank setups requiring a reliable method to control water clarity.

Not Suitable For
  • Small Aquariums

    Not suitable for very small aquariums where high output UV can be excessive.

Product Description

18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp Filter for Aquarium Koi Pond Fish Tank Compatible to CUV-318 / CUV-618

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the 18W UV Ultraviolet Lamp for aquariums?

    Answer: The 18W UV Ultraviolet Lamp is designed to clarify water in aquariums, koi ponds, and fish tanks. By emitting UV light, this lamp helps eliminate harmful bacteria, algae, and viruses, promoting a healthier aquatic environment. Regular use ensures not only clearer water but also improves the overall wellbeing of fish and plants. In practical scenarios, when water visibility decreases due to algae bloom, replacing the lamp can significantly restore clarity, maintaining the tank's aesthetic appeal and ensuring aquatic life thrives.
  • Question: How often should I replace the UV lamp in my aquarium?

    Answer: It's recommended to replace the UV lamp approximately every 6 to 12 months. The effectiveness of UV lamps diminishes over time, even if the light is still functioning. Regular replacement ensures optimal water clarity and protects your fish and plants from harmful pathogens. For example, if you notice murky water despite regular maintenance, it may indicate the need for a new lamp, as UV filtration is crucial in maintaining a pristine aquatic habitat.
  • Question: Is this UV lamp compatible with different types of fish tanks?

    Answer: Yes, the 18W UV Ultraviolet Lamp is compatible with various fish tanks and outdoor ponds, specifically designed for models like CUV-318 and CUV-618. Its 2G11-4 pin base allows for easy installation in compatible fixtures. Aquarists can benefit from its versatility, whether they have a freshwater or saltwater setup. When setting up a new tank or upgrading an existing one, ensuring compatibility with your filtration system is vital for effective water clarification.
  • Question: Can I use this UV lamp in my pond?

    Answer: Absolutely! The 18W UV Ultraviolet Lamp is effective for both aquariums and koi ponds. It helps control algae and keeps the water clean and clear, making it suitable for outdoor environments. For koi pond users, maintaining water clarity is crucial for the health of fish and plants. When using in ponds, ensure the lamp is fitted correctly and the pond's flow rate is adequate for optimal performance, especially during peak algae growth seasons.
  • Question: What is the installation process for this UV lamp?

    Answer: Installing the 18W UV Ultraviolet Lamp is straightforward, involving a few simple steps. Start by turning off the power to your aquarium or pond filter system. Next, detach the old lamp by gently twisting it out of the fixture. Insert the new 2G11-4 pin base lamp securely into place, ensuring it’s properly seated. Restore power and monitor the lamp to confirm operational status. Following these steps will enhance your water clarity through effective UV filtration in your aquatic system.
  • Question: Will this lamp harm my fish or plants?

    Answer: No, the UV light emitted by the 18W lamp is safe for both fish and aquatic plants when used correctly. The lamp targets only harmful microorganisms without affecting healthy aquatic life. Additionally, it can help promote plant growth by reducing algae competition for nutrients. When setting the lamp's positioning and runtime, consider guidelines to prevent overexposure, ensuring your tank remains a vibrant ecosystem for all inhabitants.
  • Question: What are the energy requirements for this UV lamp?

    Answer: The 18W UV Ultraviolet Lamp operates efficiently on standard electrical systems designed for aquatic lighting. Utilizing only 18 watts, it provides significant energy savings compared to higher wattage alternatives while still delivering robust performance. In practical use, this low energy requirement translates to less strain on your power supply, making it an environmentally friendly choice for eco-conscious aquarists maintaining clear and healthy water.
  • Question: How do I know if the UV lamp is working properly?

    Answer: To determine if the 18W UV Lamp is functioning correctly, visually inspect the lamp housing for signs of wear, and ensure the light is on. Additionally, monitor the water clarity; if conditions do not improve, it may indicate the need for replacement. Many users find that regularly checking water transparency provides a quick assessment of the lamp's effectiveness. Establishing a routine ensures continuous clarity and optimal conditions for both fish and plants.
  • Question: What kind of maintenance does this UV lamp require?

    Answer: Maintenance for the 18W UV Ultraviolet Lamp primarily involves regular cleaning and timely replacement. Ensure the lamp's exterior is free from debris, which can impede its performance. Changing the lamp every 6 to 12 months is crucial, as reduced light intensity can affect its efficacy. For optimal results, conduct maintenance checks during routine aquarium or pond care sessions to ensure it always operates at peak performance levels.
  • Question: Where can I buy the 18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp?

    Answer: You can purchase the 18W UV Ultraviolet 2G11-4 Pin Base Replacement Light Clarifier Lamp at Ubuy in Belize. Ubuy provides a reliable shopping experience with a wide selection of products, making it easier for you to find the right replacement lamp for your aquarium or koi pond needs. Their platform is user-friendly, ensuring a straightforward buying process for your aquatic equipment.

OXYFUL Aquarium Lights Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer

“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
LM
Leila
Verified buyer

“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer

“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Currently unavailable.

We don't know when or if this item will be back in stock.

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Harness advanced UV technology for superior water clarity.
  • Effectively purifies freshwater and saltwater environments.
  • Safe for aquatic life, including shrimp and snails.
  • Enhanced cleanliness with internal stainless steel reflectors.
  • Long-lasting performance with up to 10,000 hours of use.
  • Ideal for both indoor and outdoor ponds as well as aquariums.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.