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keeperfish
07/07/2008, 04:03 PM
looking into changing my lighting. I have a 48 in tank with a coralife aqualight 4 96 watt bulbs. what does hqi mean? Any preferences anyone?
keeperfish
07/07/2008, 04:20 PM
halogen quartz iodide.
edwing206
07/07/2008, 04:26 PM
Hqi is a more concentrated beam of light than SE and you need to have a UV shield under the bulbs. SE bulbs have the shield already on them. I have only used SE so can't say much more.
joshkennedy07
07/07/2008, 04:26 PM
They are also Dual-end bulbs (DE) and have a more efficient output than the single-end bulbs.