T5 Lighting help

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T5 Lighting help

Postby Matty06 » Mon Feb 17, 2020 4:24 pm

Currently my son's bearded dragon has a T8 10.0 light that is 8" from the surface of highest basking spot. It is in one of my DJ blacklight fixtures and I'll need it back :) Anyway, purchased a T5 fixture with reflector and a ZooMed 10.0 bulb. Changing in-tank decor is kind of last resort so how far above the tank/basking spot do I need to move the light.? I can get it about 12" from light to surface of highest basking spot. Would that suffice with no tank lid screen? Or would I be better off keeping it lower and use the mesh lid from the tank? It's the old school looks like screen door mesh. Another option is I have some plastic gutter guard with bigger openings (see attached pic) that I could used to fashion a "cover" for the light to diffuse some of the UVB.

Thoughts?

Thanks.

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Re: T5 Lighting help

Postby KarrieRee » Mon Feb 17, 2020 5:02 pm

With no screen 12-15 inches from basking decor --- w/ screen and on top 8-10 inches from basking decor - he needs to be able to sit directly under it - No cover on the fixture bulb needs to be exposed
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Re: T5 Lighting help

Postby Matty06 » Mon Feb 17, 2020 5:10 pm

So, I guess I'm asking is 12" enough (can't go any higher) and that would be to basking spot so to dragon it would be 10" inches. Is that cutting it too close? Or would it be better to be lower with a screen? And if so what kind of screen...the fine screen door mesh of the tank lid (which is currently not on the tank so it doesn't filter out the UVB from the current T8) or make a lid of the plastic gutter mesh (which has larger openings)...
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Re: T5 Lighting help

Postby Claudiusx » Mon Feb 17, 2020 5:35 pm

if it's 12 inches away unobstructed it will be fine :)

What would the distance be from bulb to floor level?

-Brandon
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Re: T5 Lighting help

Postby Matty06 » Mon Feb 17, 2020 5:49 pm

claudiusx wrote:if it's 12 inches away unobstructed it will be fine :)

What would the distance be from bulb to floor level?

-Brandon


About 20" to floor.
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Re: T5 Lighting help

Postby Claudiusx » Mon Feb 17, 2020 5:57 pm

Perfect :)

-Brandon
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Re: T5 Lighting help

Postby kingofnobbys » Mon Feb 17, 2020 6:07 pm

Image
Working out the open screen/mesh % area is easy.
CBDs: Cleopatra & Caesar born 28Jan19.
Puff (RIP 10Dec15),Rex (RIP 16Mar17),Toothless (RIP 26Nov17).Peppa (RIP 22Mar19).
EBTSs : George & Mildred (born july 2010).
EWSs : Gutzy (F) 27Sep19, Fluffy (F) rescued injured by lawnwacker 14Nov17, Wriggles (F) - injured rescue, over 8 yrs old, RIP 2Feb16 old age. Lucky juvenile (M) - cat attack rescue (lost r-eye, broken r-lower jaw), fatal SI RIP 21Jul2010.
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Re: T5 Lighting help

Postby Matty06 » Mon Feb 17, 2020 6:40 pm

claudiusx wrote:Perfect :)

-Brandon


Thanks! And now that it's set up, he's officially got areas from 11" to 18" on his basking spot to regulate his UVB.
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Re: T5 Lighting help

Postby Claudiusx » Mon Feb 17, 2020 6:45 pm

Great! I'm sure he will appreciate the gradient of UV. That is the goal, to have a UV gradient just like a heat gradient :)

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