T6 Tubes In T8 Hood

Discussion in 'Lighting' started by Toadeh, 7 May 2009.

  1. Toadeh

    Toadeh Member

    4 May 2009
    N.Wales (Buckley)
    Hi All,

    This might have been answered but I can't find it. I've read somewhere that I can fit a T6 tube into my T8 fittings using some bushes? My tube is only a 15" one so I am wondering if it is worth changing it for a T6 tube, will I notice any difference?

    My second option is just to add more light, but the mrs gave me the OK for a new tank once the cards are paid off and front room are decorated so I don't want to spend a fortune.
  2. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    11 Jul 2007
    Chicago, USA
    From what I've read, there are two conditions for using T6 in a T8 fixture. The first condition is that the T6 bulb must have the bi-pin (G13) connector at the ends so that they will fit into the T8 fixture. The second is that the T8 ballast must be an electronic ballast, not a magnetic ballast. If these conditions are met the T6 is purported to have similar output as a T5, which supposedly means up to a 40% increase in light output. I haven't verified any of this myself though.

  3. Ed Seeley

    Ed Seeley Member

    3 Jul 2007
    I've got T6s in one of my tanks fitted into an old Juwel light unit and they certainly pack more of a punch than the T8s did. However unless you just want a small amount of extra light with such small bulbs I think you might be better getting another light rather than just switching bulbs as I'm not sure it'll make that much difference.

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