24" Light On 30" Tank - Advice Please Question

Discussion in 'Lighting' started by yort265, Aug 16, 2019.

  1. yort265

    yort265New MemberMember

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    Hi all,

    I'm researching lighting solutions for a new planted tank (low tech). I really like the Fluval 3.0 but I have a normal sized 29 gallon tank that is 30" long. The Fluval 3.0 does have a fixture that is meant for 24"-36" tanks, but the fixture itself is only 24" long. You get the extra length by extending the mounting arms. Would this still work well to light the whole tank? Will the 12" (6" on each side) without a direct light overhead lead to dark spots on the sides? Would just like to grow simple, easy plants to start with.

    Thanks for the assistance and opinions.
     
  2. Dave125g

    Dave125gFishlore LegendMember

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    3 inches on each side should be fine. You just have to try it and see. You could add a small dome shop light if you need more light. These are what I use. 0403181535c.
     
  3. OP
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    yort265

    yort265New MemberMember

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    It'd be more like 6" on each side that isn't covered. I don't have experience with that much of a gap or this style of lighting so I'm not sure what it'd look like and I can't find any examples. Does anybody else?

    Wait. My bad. You were right. I was thinking about it incorrectly. It would be 3" on each side since my tank is 30" long. Wow haha. That makes me feel better but now I feel stupid lol
     
    Last edited by a moderator: Aug 19, 2019
  4. loner556

    loner556Valued MemberMember

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    Here's a Fluval 24" on a 29 gallon.

    20190817_073907.
     
  5. OP
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    yort265

    yort265New MemberMember

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    Nice! Thanks for sharing. Are you happy with it?
     
  6. loner556

    loner556Valued MemberMember

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    So far, I like it a lot. Only downside is you need to reconnect it with your phone if there's a power outage.

    ETA I've only had it for about 2 mos.
     
  7. OP
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    yort265

    yort265New MemberMember

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    Do you use it with a glass top?
     
  8. loner556

    loner556Valued MemberMember

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    Yep, give me a sec and I'll take a pick up top.

    Here ya go.
    20190817_162830.
     
  9. OP
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    yort265

    yort265New MemberMember

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    Awesome. I like the simple clean look of the light. Thank you very much for sharing! It really helps!
     
  10. Dave125g

    Dave125gFishlore LegendMember

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    That looks like it will work just fine. Can you post a pick of the whole tank?
     
  11. Dechi

    DechiValued MemberMember

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    I have a Fluval 3.0 on a 45 gallons, 36 inches long tank.

    It’s been running for about 80 days now and my plants are really happy. I was going to buy the 36 inches one but the store clerk said I would be good with the 24 inches one and she was right.

    upjm.
     
  12. angelcraze

    angelcrazeWell Known MemberMember

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    My 5ft 120g has only 4ft fixtures in the center, so 6" of shade on both sides.
    20190604_205624.
    You can see how it is shaded at the ends, but the trick is to plant low light plants in the shady areas. I used amazon sword and crypt wendtii (that you can't see) for the large tank. But it grows the plants surprisingly well at the ends considering there's no light right overhead. I don't think you'll have a problem at all
     
  13. loner556

    loner556Valued MemberMember

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    @Dave125g full tank shot was in my post above.
     
  14. Dave125g

    Dave125gFishlore LegendMember

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    My bad. I ment to ask the OP for a full tank shot.

    I agree that planting low light plants in the shaded areas will work just fine.
     
  15. HunterChampion

    HunterChampionValued MemberMember

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    The light you got is actually perfect for that size tank. It's okay if the light is smaller than the tank, fish need shade too!
    if you care to read, I bought a 36--48" Current LED Pro for a 36" tank when I first started this hobby. It runs at 30--40% capacity because any higher would melt my plants. I love the light, don't get me wrong, but it was COMPLETE overkill for the setup I had at the time.
     








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