Aquascape 28 Watt UV Sterilizer Replacement Bulb

The UltraKlear® 2500 28-Watt High-Output UV Bulb is the official replacement lamp for the UltraKlear® 2500 UV Clarifier, designed to deliver maximum algae control and water clarity for ponds up to 2,500 gallons. Emitting powerful UV-C light, this bulb neutralizes single-celled green algae as water passes through the clarifier, helping to maintain crystal-clear, healthy pond water all season long.

Built to OEM specifications, this 28W UV lamp ensures compatibility, performance, and longevity within the UltraKlear® system. It is recommended to replace the bulb annually to maintain peak UV effectiveness and protect your pond ecosystem.

✅ Key Features:

• 28-Watt High-Output UV Bulb – Fits UltraKlear® 2500 UV Clarifier

• Eliminates Green Water Algae – Chemical-free water clarity solution

• OEM Replacement – Guaranteed fit and performance

• UV-C Germicidal Technology – Disrupts algae cell structure

• Easy to Install – Quick-change design for seasonal maintenance

• Safe for Fish and Aquatic Plants

✅ Specifications:

• Wattage: 28 watts

• Length: Approx. 16"

• Type: UV-C germicidal lamp

• Base Type: 4-pin connection (G23 or similar)

• Compatible With: Aquascape UltraKlear® 2500 UV Clarifier

• Recommended Lifespan: 8,000–10,000 hours (replace annually)

✅ Ideal For:

• Pond owners replacing UV bulbs in UltraKlear® 2500 clarifiers

• Annual UV clarifier maintenance

• Eliminating green water in koi and ornamental ponds

• Supporting clear water without chemicals

• Free Shipping is valid for orders with a subtotal exceeding $199 and all orders will be shipped via UPS. Items purchased for delivery after 3pm will ship the following day. Items purchased for delivery after 3pm on Friday will ship Monday.
• Koi Fish only ship Monday- Wednesday. For orders placed after 3pm on Wednesday, the order will be shipped the following Monday.
• For Motor Freight (LTL) Shipments, oversized or heavy items unsuitable for traditional parcel delivery will be dispatched through a motor freight carrier, as indicated on the product page. Once the carrier receives your order, they will reach out to arrange a delivery time. An individual aged 18 or older must be present to sign for the delivery.
• You may return or exchange an unused or unopened item for a refund (excluding shipping and handling charges) within 30 days of purchase. Following 30 days, the item may be returned in exchange for a store credit. Used chemicals and fish food are not returnable. In addition, all sales on Japanese Koi are final and non-refundable. Should you have any questions or concerns when your fish arrive, please call 908-420-9908.