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  1. #1
    Member KingFisher.905's Avatar
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    Nov 2008

    "Black Fluorescent"

    Hi has anyone ever try using Black fluorescent lights? I hear that it will make your corals glow. Wonder if it has any ill effect?

  2. #2
    Join Date
    Jun 2008
    Quote Originally Posted by KingFisher.905 View Post
    Hi has anyone ever try using Black fluorescent lights? I hear that it will make your corals glow. Wonder if it has any ill effect?
    I don't think it will have any adverse effect on the coral, obviously that being said i would not leave it on 24/7 but rather just for viewing only as I don't think the light would provide adequate light spectrum for coral growth unless used with a combination of other bulbs.
    75G Starphire 24X30x24 Coast to Coast Overflow

    Return Pump: T4 Velocity (1255 Gph)
    Water Movement: 2 x Tunze 1045ís on a wave function from my reefkeeper 2
    Lighting: Giesemann Infinity 250w HQI 14k + 4x24w T5 Actinics
    Skimmer: Bubble King 180 Mini
    Calcium: Dual Chamber reactor with dosing pimp and Milwakee PH control

    Ozone: Red Sea Aquazone plus 100mg
    Cooling: 1/10hp Pacific Coast Chiller
    Other: ATO, RODI, Phosban

  3. #3
    Moderator Krugar's Avatar
    Join Date
    Jun 2004
    What you need are actnic lights. They have the same colour popping effect and are often confused with black lights. They're also the right colour spectrum to help your corals grow.

    There is nothing so permanent as a temporary measure.

  4. #4
    liv is offline
    Former Moderator liv's Avatar
    Join Date
    Dec 2003
    the black lights are great to show colors, but what you need are actinics.
    you can still setup some black lights for a quick light show or to supplement during the day.. do not run these at nights, as corals will think its still day time and will stress them.

    moving.. so temporarily out of SW :b8:
    planning next tank, possibly 60x30x20 on 2x plasma.
    updated: 2011/05/30

  5. #5
    Junior Member
    Join Date
    Feb 2009
    As you can see, with my 3 post count, I don't have much experience with fish. But I do study biochem. Wavelenght and radiation being some of the subjects. A black light is basicly a UV emiting lamp, although it's range is in the lower energy of the UV spectrum. So it is the "safest" in the UV rays. Concidered "safer", they are still UV rays that are emitted. Having said that, there shouldn't be any problem when used in moderation.

  6. #6
    Former Moderator a4twenty's Avatar
    Join Date
    Nov 2006
    i have to agree with the others, may make the coral look nice but you will still need to give them the proper spectrum and strength for growth.

    120S RR tank with 60G basement sump / fuge

    Return Pump: Little Giant 4-MDQX SC
    Water Movement: MP40W, Seio 1500, (2) Hydor K4's
    Lighting: 400W SE MH with 10K Venture
    Skimmer: Euro-Reef RS250 with gate valve
    Other: RODI, RDSB, PO4/AC reactor

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