Length of T5 bulbs.....

Discussion in 'Lighting' started by grandb3rry, 17 Mar 2010.

  1. grandb3rry

    grandb3rry Member

    Messages:
    87
    Location:
    London, UK
    I'm upgrading my T8 lighting on Fluval Roma 90. The length of the tank is 60 cm, existing T8 bulb is I think about 46cm long. Are there T5 bulbs of the same 46cm size? Or if not what sizes does T5 bulb come in? I seem to be unable to find any info on any website that sells them and it is a real pain.

    I'm planning to buy this unit, to replace my T8's link: http://www.fish4aquatics.com/en-gb/dept_58.html
    I cannot actually start cycling my tank without light upgrade as I'm planning keeping HC cuba plant.

    Thanks for help!
     
  2. George Farmer

    George Farmer Founder Staff Member

    Messages:
    7,091
    Location:
    Cambridgeshire
  3. grandb3rry

    grandb3rry Member

    Messages:
    87
    Location:
    London, UK
    I've taken measure and if I want to upgrade my existing under-hood T8 lights, I have about 55cm in length, are there any shorter T5? Cheers
     
  4. Dolly Sprint 16v

    Dolly Sprint 16v Member

    Messages:
    1,611
    Location:
    Cheshire
    549mm is the shortist T5 lamp lampspec do, according to your size of 55cm (550mm) there is enough room for a 549mm tube, but you will have to change the lamp holders + ballast unit - mat be better to buy a ready built light fitting, remove the old T8 unit and fit the new unit.

    Regards
    Paul.
     
  5. grandb3rry

    grandb3rry Member

    Messages:
    87
    Location:
    London, UK
    well I presume it would be enough but 549mm is the length of the bulb itself not including lamp holders or am I wrong?
    Sorry for my stupidity, I'm new to this and trying to upgrade without need of purchasing an expensive luminaire. I want to fit T5 bulbs with this ballast: http://www.fish4aquatics.com/en-gb/dept_58.html

    Hope this gives you a picture!

    Kind regards
    Arthur
     
  6. grandb3rry

    grandb3rry Member

    Messages:
    87
    Location:
    London, UK
    There are 439mm T5 24W Juwel bulbs which suited my length and are brilliant! I shall start my journal soon!
     

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