Ask a Question forum→T5 grow lights--do they give off UV radiation?

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North Central Massachusetts (N (Zone 5b)
Life & gardens: make them beautiful
Million Pollinator Garden Challenge Bee Lover Garden Photography Cat Lover Butterflies Region: Massachusetts
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joannakat
May 1, 2018 8:54 PM CST
Hi everyone,

I recently purchased a 2' T5 growlight with reflector. I'm liking it for my plants, but it occurred to me that it might actually give off dangerous UV radiation. Since my family has a dark history of cancer, I would prefer to err on the side of caution.

Does anyone know if these full-spectrum lights give off UVA or UVB radiation?

Thanks in advance for any help.
AKA Joey.
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
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DaisyI
May 1, 2018 9:18 PM CST
Yes! But the manufacturers insist the UV radiation is at safe levels. I wouldn't stand under your lights for too long. On the other hand, the sun gives off more.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
North Central Massachusetts (N (Zone 5b)
Life & gardens: make them beautiful
Million Pollinator Garden Challenge Bee Lover Garden Photography Cat Lover Butterflies Region: Massachusetts
Image
joannakat
May 1, 2018 9:23 PM CST
DaisyI said:Yes! But the manufacturers insist the UV radiation is at safe levels. I wouldn't stand under your lights for too long. On the other hand, the sun gives off more.


Yeah, how can anyone know what's safe for any one person? I just placed it over my sink. I can just turn it off when I'm working there I guess....

This might be a silly question, but does the radiation stay put? i.e., if you're not in the light, does the radiation affect you?

AKA Joey.
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
May 1, 2018 9:27 PM CST
No. Think of it as a mini-sun hanging over your sink. Unless you spend a lot more time at your kitchen sink then I do, I think you are safe. If you are worried, apply copious amounts of sun block before doing dishes. Smiling
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
North Central Massachusetts (N (Zone 5b)
Life & gardens: make them beautiful
Million Pollinator Garden Challenge Bee Lover Garden Photography Cat Lover Butterflies Region: Massachusetts
Image
joannakat
May 1, 2018 9:57 PM CST
DaisyI said:No. Think of it as a mini-sun hanging over your sink. Unless you spend a lot more time at your kitchen sink then I do, I think you are safe. If you are worried, apply copious amounts of sun block before doing dishes. Smiling


Thanks Daisy.

AKA Joey.

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