JBL PROCRISTAL UV-C Compact plus 18 W

JBL ProCristal UV-C 18W 

Product Overview

The JBL ProCristal UV-C 18W is a high-performance ultraviolet water clarifier designed for freshwater and marine aquariums as well as garden ponds. It uses UV-C radiation to reduce suspended algae, bacteria and microorganisms that cause green or cloudy water, supporting improved clarity and healthier aquatic environments.

Key Features

• 18 W UV-C water clarifier for aquariums and ponds.
• Helps eliminate green water (floating algae) and bacterial cloudiness.
• High-polish reflector protected by glass for improved efficiency.
• Optimised flow control for effective UV exposure.
• Automatic safety shut-off when the unit is opened.
• Durable glass cylinder protects internal reflector components.
• Compatible with a wide range of hose diameters and PVC fittings.
• Can be expanded by connecting additional units using JBL ProCristal Connect.
• Electronic ballast for stable operation.

Benefits

• Supports clear water by reducing suspended algae and bacteria.
• Helps lower germ load and infection risk in aquatic systems.
• Chemical-free water clarification process.
• Flexible installation for aquariums and ponds.

Specifications

• Power Rating: 18 W
• Recommended Aquarium Size: Up to approx. 1500 litres (partial sterilisation)
• Recommended Pond Size: Up to approx. 15,000 litres
• Floating Algae Control: Aquariums up to approx. 500 litres; ponds up to approx. 4000 litres
• Maximum Pump Flow: Approx. 400 l/h (aquarium sterilisation); approx. 4000 l/h (pond)
• Hose Compatibility: 12–40 mm stepped hose tails
• Thread Connection: 1½″ suitable for standard PVC fittings
• Bulb Socket: 2G11
• Cable Length: 5 m
• Application: Freshwater, marine aquariums and garden ponds
• Housing Warranty: Up to 4 years (manufacturer terms apply)

Package Contents

• UV-C water clarifier unit
• Pre-installed 18 W UV-C bulb
• Mounting bracket and fixing screws
• Stepped hose tails (12–40 mm) with seals
• 5 m power cable
• Installation instructions