Radium 20K Single End Bulb
$57.99
sold out
Radium bulbs are the most sought after single ended bulb in the reef aquarium hobby. Many successful tanks that run metal halide lights use the radium bulbs for their impeccable track record in the hobby.
Unique crisp white color with a strong blue tint
More natural "under the sea" look than other 20k metal halides
Typically unnecessary to add actinic supplementation with these bulbs
Made in Germany
Requires 250w HQI Ballast