improving light distribution

Discussion in 'Lighting' started by davideyre, 16 Mar 2008.

  1. davideyre

    davideyre Member

    my 125 litre tank is 800mm long, but the light tubes are only 550mm long.

    as a result my plants seem to grow towards the middle of the tank, ignoring the upper corners of the tank. any ideas on how to improve this? even if i changed the lighting seems the next light tube up in size is 850mm so will not fit inside the hood. i am using reflectors but understandably these seem to increase the light under where the tube is, but not particularly at the ends of the tank.

  2. Ed Seeley

    Ed Seeley Member

    Have you got one bulb or more than one? If you have a number of bulbs and they aren't in a fixed holder (like a Jewel light unit) then you could stagger the bulbs so that they go all the way to each end and overlap in the middle. Other than that you could raise the lights if they're in a pendant, but not if they're in a hood obviously!!!
  3. GreenNeedle

    GreenNeedle Member

    Lincoln UK
    Do you have a Fluval?

    I made my own hood and bought some 29" HOT5s off AquaEssentials.


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