Aqua Ultraviolet – Classic Inline UV Sterilizer, 25 Watt, 3/4" Barb (Black)

Overview

Compact, proven UV-C sterilizer for aquariums and small ponds. The Classic 25W with 3/4" barb fittings plumbs straight into flexible tubing to clear green water and reduce pathogen load—perfect for QT systems, nanos, and modest display tanks.

Key Features

• Inline 3/4" barb connections for quick hose-on installs

• Single 25W low-pressure UV-C lamp targets algae, bacteria, and protozoa

• Clear end cap makes lamp-on status visible at a glance

• Weather-resistant (non-submersible) housing; quiet, compact footprint

• Optional Wiper variant available (not recommended for saltwater use)

Sizing & Flow Guidance

• Sterilizer (freshwater): ~500–1,200 gal

• Sterilizer (saltwater): ~150 gal

• Clarifier (freshwater): up to ~4,000 gal

• Target UV-dose flows (EOL):

  • ~1,200 GPH ≈ 30,000 µW·s/cm² (clarifying)

  • ~800 GPH ≈ 45,000 µW·s/cm²

  • ~600 GPH ≈ 60,000 µW·s/cm²

  • ~480 GPH ≈ 75,000 µW·s/cm²

  • ~400 GPH ≈ 90,000 µW·s/cm² (tighter pathogen control)

Specifications

• Model: Classic Inline 25 Watt, 3/4" Barb, Black (No Wiper)

• Lamp: (1) × 25W low-pressure UV-C

• Electrical: 120V / 60Hz; ~0.48 A

• Plumbing: 3/4" hose barbs (use stainless clamps)

• Dimensions (unit): ~20" × 3-3/4" × 6"

• Cord Length: ~15 ft

• Mount: Inline—horizontal or vertical (follow flow arrow)

• Warranty: Limited lifetime on housing; 1-year on other components

What’s Included

• Classic 25W inline UV body (Black, 3/4" barbs)

• (1) 25W UV lamp

• Inline transformer/power supply

• Hose-barb kit / unions (model dependent)

• Quick start/installation guide

Installation Notes

1. Install after mechanical filtration; observe the flow arrow.

2. Push tubing fully over barbs and secure with clamps; leak-test before use.

3. Keep the power supply dry/ventilated; do not submerge components.

4. Replace the lamp every 9–12 months of continuous use to maintain dose.