Anybody using 70w MH on their small tanks?

Discussion in 'Lighting' started by Fishman, 24 Jan 2012.

  1. Fishman

    Fishman

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    Hi guys. Just like to know if anybody's using these over their nano's. I understand sourcing globes can be a problem...i know i could just get a 150w but my tank is really small.
     
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  3. Tremayn

    Tremayn

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    there are some people, the main problem is heat. How big is your dt? the dimensions?
     
  4. Matt

    Matt MASA Contributor

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    How big is the tank?? With new LED technology I wouldn't even consider T5's let alone MH. If money is a problem you can DIY a LED pendant that has enough output to keep light loving corals without creating any heat problems, the LED's can run for 50 000 hours (or something ridiculous like that) and are much lower wattage than MH.

    Alternatively you can also buy LED bulbs (I think max is around 21watts) that fit into a normal light socket and depending on your display tank maybe 1 or 2 of these would suffice?
     
  5. Fishman

    Fishman Thread Starter

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    360 x 360 x 250. Cash is always a problem! Lol I wanna keep a monti cap. I thought a fan could handle the heat of a 70w better than a 150w
     
  6. viper357

    viper357 Admin MASA Contributor

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    I used one on a 120litre nano, with a tank your size you could raise it fairly high to avoid heat problems, if you can afford one then go for it, nothing wrong with them. :)
     
  7. Fishman

    Fishman Thread Starter

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    Nothing wrong with a 70w or 150w?
     
  8. Fishman

    Fishman Thread Starter

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    Any ideas where to get 70w fittings and globes. I remember seeing some globes at moolis.
     
  9. Express Reef

    Express Reef

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  10. Fishman

    Fishman Thread Starter

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    Anything local?
     
  11. Express Reef

    Express Reef

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    @Fishman; nope unless you want to pay more... I buy mu MH globes from Fish-Street, its cheaper from them...
     
    Last edited by a moderator: 26 Nov 2015
  12. Fishman

    Fishman Thread Starter

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    secure? And how long does it take to get here?
     
  13. Express Reef

    Express Reef

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    2 - 3 weeks, depends on the SA Post office, you will be suprised how fast the overseas post is, yust a pitty the SA Post hub is :censored::banghead: slow...
     
  14. Fishman

    Fishman Thread Starter

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    Cool. I'l check it out. Anybody know where to get fittings
     
  15. jades

    jades

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    I'm using a diy led fitting on my nano, used 6 3w high output leds, about R45 each, a 1000mA led driver, about R150, mounted onto an old cpu heatsink with fan, and an old computer power supply to provide 12v power. Under R500 for a quite bright light thats long lasting too. And I got all the bits from rabtron.co.za.
     
    Last edited: 24 Jan 2012
  16. Fishman

    Fishman Thread Starter

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    Sounds interesting. I know nothing about electronics, is it tough to put it together? What coral do u have?
     
  17. jades

    jades

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    Not to complicated to setup, I just followed the manual, put it together about a week ago, got a green mushroom colony only right now, will post some pics later of the light. Its an ongoing experiment right now. But for only 18 watts of power, it puts out allot of light.
     
  18. jades

    jades

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    Here are some pics of the tank, the mushroom, and the light. Its a 60cm x 30cm x 30cm tank. I used 4 6500k white and 2 blue leds.



    [​IMG]

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