Rightpet

Treatment Name: Lighting: Metal Halide Bulbs

Treatment Type: Lifestyle Products

Rated for: Pink Spotted Watchman Goby

Effectiveness
5.0
/ 5
Easy to use
3.0
/ 5

Very intense, uses a lot of energy

James

By

4.0

Norristown, Pennsylvania, United States

Posted Jan. 13, 2019

Metal halides were the go-to lighting fixtures in reef-keeping. They are very bright but give off a lot of heat and require a big ballast to start up. I've had over 15 reef tanks that used MH bulbs. Some aquarists with really deep reef tanks use them but most hobbyists go with modern LED reef lighting. You have to replace them every year because the light quality (spectrum) declines over time. Reef LED fixtures provide enough intensity and the right color spectrum for stony corals. LED lighting uses a fraction of the energy and runs much cooler.

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