Help With Lighting

Discussion in 'Beginner Discussions' started by NEILCUTH, 16 Jan 2009.

  1. NEILCUTH

    NEILCUTH

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    Hi all,

    Can someone recommend a good lighting setup to start with on a 5ft tank,I want to keep fish,invertebrates and live rock.
    I would like to go shop tomorrow so a quick response would be appreciated.
    thanks Neil.
     
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  3. Warr7207

    Warr7207

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    54w T5's mixture of 10000K, 12000K and 20000K (blue)
     
  4. dallasg

    dallasg Moderator MASA Contributor

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    i would go with t5's, many a successful reef has been run with those, atleast 6 of them

    u can also use metal halide, cost more, and can add some heat...

    i am going with 6 t5's and 2 t8's
    i have an mh too 150w for the center of my tank
     
  5. RiaanP

    RiaanP Moderator

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    Depends if you want to DIY a light setup or want to buy complete unit.

    If complete, check sponsers like Dory Pets, some good prices can be found.

    If DIY, can also check Dorry, but components work out more expensive than a complete unit. Serious, calculate it.

    Else for electronic ballast and end caps for T5's , try electical outlets like Voltex or Jade Lee (Midrand). And get alanod from company in JHB somewhere, there is a thread on that somewhere (for the reflector).

    Globes, as mention by others, either LFS. or Dorry.
     
  6. viper357

    viper357 Admin MASA Contributor

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    I would recommend you contact Reef Inmates for their customised lighting units. I bought one and it was cheaper than the cheap chinese light units, but it's awesome build quality.
     
  7. RiaanP

    RiaanP Moderator

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    I did the DIY route today
    3 dual T5 24-29W ballast and 4 * 10000K + 2 * 20000K globes.

    With self made foil reflector shaped like waves. Well I tried.

    Amount of effort???? hmmm a lot, took me almost 3 hours to fit.
    money saved??? trickey to answer. depends on the globes that come with the unit you buy.

    Satisfaction when your handyworks lights up, endless... :thumbup:
     
  8. dallasg

    dallasg Moderator MASA Contributor

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    i agree riaan, i bought a light unit, 2 t8's and 150w mh, but not i am going to do my own.
    want to add another 4 t5's and 4 t8's

    is a mh 150w 47000k to bright? i saw the globes for R160
     
  9. Warr7207

    Warr7207

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    sure it is 47000K, and not 4700K ?
     
  10. Mike

    Mike Retired Moderator

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    That would be ultra violet i think, turns ladies bras dayglo:)
     
  11. Warr7207

    Warr7207

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    Can you run tank's lighting under UV ?
     
  12. dallasg

    dallasg Moderator MASA Contributor

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    hehe, will double check
     
  13. dallasg

    dallasg Moderator MASA Contributor

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    i think it would be dangeroud for human eyes, might also sterilise the tank
     
  14. Mike

    Mike Retired Moderator

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    No, UV is used to kill the bacteria, it is tough on human eyes so it needs to be shielded
     
  15. dallasg

    dallasg Moderator MASA Contributor

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    will double check if its 47000k :)
     
  16. Warr7207

    Warr7207

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    Normal MH's also emit UV, don't they have some sort of glass shield over the globe ?
     
  17. Mike

    Mike Retired Moderator

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    Yep, but UV is harmful the the naked eye.
     
  18. Reef Maniac

    Reef Maniac MASA Contributor

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    Well, that depends on the TYPE of UV. UV-A is pretty much OK, and is actually beneficial in coloring corals. UV-B is not so good, although in very small quantities it would still not do any harm to the tank's inhabitants. UV-C is what is used for sterilizing, and is pretty lethal...

    Water tends to lessen the impact of UV, and glass blocks most UV, so looking at your tank in the "normal" way (from the side, through the glass) will pretty much filter out any harmful UV which could otherwise have harmed one's eyes. Obviously, it is NOT a good idea to directly look into a MH light, or even a T5, for that matter...

    I have 3 x 400W single-ended MH's above my tank, and these lights are not screened at all. I certainly get a bad "sunburn" if I work on the tank with these lights on (which I really try to avoid...), but after nearly 5 years of this light my fish can all still see, and my corals are growing pretty well - proof that the UV emitted by the MH's are not bad :thumbup:

    Hennie
     
  19. Warr7207

    Warr7207

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    Hennie, what is the purple tube that you often see in nightclubs etc.

    And can this be used in a marine tank ?
     
  20. Reef Maniac

    Reef Maniac MASA Contributor

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    Hi Warr,

    I think it's called a "Black Light", and although I don't know this for sure, I suspect that it is just a tad more towards the UV side of the spectrum than our Actinic lamps. Actually, while on this subject - I really hate how advertising can take something and totally misuse it, just to sell more product. The word "Actinic" was originally a trade name for a lamp used in the printing industry and in hospitals. There are only two real, genuine "Actinic" type of lamps in the world - the Philips Actinic 03 and the Philips Actinic 06... if I'm not mistaken the '03 lamp is used in hospitals to treat premature babies for yellow jaundice, and the '06 lamp was used back in the days they used photographic plates in the printing industry (but don't take my word for this...).

    I have (and still do) used the "geniune" Philips Actinic 03 tubes on my tank. These lamps emit a nearly purple light, and not the blue one normally gets out of the "hobby" actinic lamps. I believe that the disco black lights would work fine on our tanks, and will most certainly bring out very interesting fluourescence from our corals. I just don't think that it would make for comfortable viewing (except when a lady with a white bra walks past the tank, that is ;) )

    I have never heared of anyone using these lamps, though - are you going to be the pioneer ???

    Hennie
     
  21. Warr7207

    Warr7207

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    I think I will check it out :)
     
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