What is a radium bulb?

What is a radium bulb?

Founded in 1904, Radium Lamps UK has been producing high-quality lighting for over 105 years. Radium Lamps UK light bulbs come in linear, stick, and tubular shapes, with R7S, 2G10, E27, and B15 base types.

Does metal halide have UVB?

Metal Halide bulbs are a great way to add quality light (models available now emit light at 6500K – a clean, white light that’s also great for growing plants) to tall enclosures. UVB output from these bulbs is fantastic. As of right now, they’re probably the best artificial source of UVA and UVB available!

What is an HQI ballast?

These ballasts are thought to be the highest output ballasts for any given bulb. A typical electronic ballast might use about 275 watts to run a 250watt bulb, but a HQI can use up to 350!

What kind of halide lights use radium bulbs?

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

What kind of light bulbs do reef aquariums use?

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

What do you call a 20K radium lamp?

Because of this look, us hobbyists dubbed the term “20,000k” or “20k” for the Radium. Radium 20k metal halide lamps are offered in four different wattage and base configurations. These are as follows: Following is the pertinent information for each specific lamp from Radium, excluding the 1000w that is rarely used in our hobby.

When did the first radium lamp come out?

Radium GmbH, the manufacturer of this lamp, labels this as a Radium “B”, where “B” means Blue. There is no implied actual kelvin rating from the manufacturer. Radium metal halide lamps were first introduced into the North American market in late 1999, early 2000, by PFO Lighting.