Radium 250 Watt 20,000K bulbRADIUM Metal Halide 250W 20000K Bulb German made 250 watt HQI lamp by Radium Deep blue appearance Brings out fluorescence in fish and corals Provides the aquarium with an attractive, actinic look Must be used with a 250 watt HQI M80 ballast or 250 watt electronic ballast cannot be used with a probe start 250 watt M58 ballast. Please check your ballast type before ordering. Fast, Free Shipping in the USA

Suggested Metal Halide Wattage Guide: 250w for tank depth of 24" - 48"

- Does NOT fit the older Aqua Euro Mighty Pro chiller

Use with 150 watt ANSI M81

- Simulates sunlight at ocean depths of 5- 20 Ft

Simulates sunlight at ocean depths of 5-15 ft

Must be used with a 250 watt HQI M80 ballast or 250 watt electronic ballast - cannot be used with a probe start 250 watt M58 ballast

- Does not fit the older Aqua Euro Mighty Pro chiller

RADIUM Metal Halide 250W 20000K Bulb

Ideal Choice for Marine and Reef Aquariums

Suggested Metal Halide Wattage Guide: 150w for tank depth of 15" - 28"

Emits Brilliant

Enhances the natural vibrant fluorescence in fish