The Aqua Ultraviolet Classic 25W UV Sterilizer provides effective UV-C water treatment for saltwater and freshwater aquariums. Designed for inline plumbing installation, it helps reduce free-floating algae, bacteria, and other waterborne microorganisms for clearer aquarium water.

Key Features

• 25W UV-C sterilizer for saltwater and freshwater aquariums

• Suitable for saltwater aquariums up to 150 gallons

• Classic inline design for flexible plumbing installation

• Helps control free-floating algae and waterborne microorganisms

• 3/4" inlet and outlet connections

• Durable white housing

• Ideal for aquarium systems with sump filtration

• Chemical-free water clarification

Specifications

• Brand: Aqua Ultraviolet

• Series: Classic

• Model: A00024

• Power: 25 Watts

• Color: White

• Aquarium Type: Saltwater & Freshwater

• Saltwater Capacity: Up to 150 Gallons

• Freshwater Sterilization Capacity: 500–1,200 Gallons

• Freshwater Clarification Capacity: Up to 4,000 Gallons

• Inlet/Outlet: 3/4"

• Dimensions: 20" L × 3.75" W × 6" H

• Voltage: 120V

Recommended Flow Rates

• Reef Aquarium Applications: 800–1,200 GPH

• Higher UV Exposure: 400–480 GPH

Actual UV effectiveness depends on water flow rate, water clarity, and operating conditions.

What's Included

• 1 × Classic 25W UV Sterilizer (White)

• 1 × 25W UV Lamp

• 1 × Power Transformer

• 2 × 3/4" Barb Fittings

Installation Note

A separate water pump and compatible plumbing connections are required and are not included. Mounting brackets are sold separately.

Maintenance

Clean the quartz sleeve periodically and replace the UV lamp according to the manufacturer's maintenance recommendations.

Replacement UV Lamp

Keep your Aqua Ultraviolet Classic 25W UV Sterilizer performing at its best with a compatible replacement UV lamp.

Need a replacement bulb? Shop the Aqua Ultraviolet Classic 25W Replacement UV Lamp.