Height of lights

Discussion in 'Lighting' started by StevenA, 29 Jan 2009.

  1. StevenA

    StevenA Member

    Bassingbourn, Cambridgeshire.
    Hi all i have a Fluval Osaka 260 which has overtank lighting which is fixed to a bracket secured to the back of the cabinet. My question is this, is there an ideal height for the lights above the water surface? On my last setup, a Rio 180, the luminaire was about 6 inches above the surface, whereas on the Osaka it is more like 12 inches i think. On the back of the cabinet there were two height positions for the brackets, and i put it on the higher position. Obviously i cannot get to the back of the cabinet now, but i have got a way of lowering the lights if needed. Any thoughts?
  2. Themuleous

    Themuleous Member

    Aston, Oxfordshire
    I tend to have my lighting around 4-6" from the waters surface. But it shouldn't matter all the much providing the lighting its several feet away! :lol: Its more of a consideration for LED and metal halide light which have much less spread so need to be higher in order to get light all over the tank.

  3. Coiln3107

    Coiln3107 Member

    Lanark Scotland
    Hi my Osaka is 5" from the water when it is just hidden by the silver trim strip, but at the rear is in the lower position which helps. If you cannot access the mounting position the lights are fixed to the overframe by 4mm screwed rod which you can buy for pennies from B@Q. Making up a couple of extensions to lower the lights would be just a case of cutting the rod to length and changing them over regards Colin.

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