How Ultraviolet light affects plants - Bruce Bugbee

seymore_budz · Post by **seymore_budz** » Tue Feb 23, 2021 7:50 am

Nice video explaining how UV affects plants by the great Bruce Bugbee. You may of seen these UVA LED boards being sold by a few manufacturers like Invisible Sun. This video sheds some light on the subject.

Treetrunk · Post by **Treetrunk** » Tue Feb 23, 2021 4:06 pm

I'm using a uvb fluorescent light at the moment.
You can soon fry the plants is you get trigger happy like I did

Apart from that incident I'm impressed with the results.

FX · Post by FX » Tue Feb 23, 2021 4:23 pm

Thanks, interesting vid

seymore_budz · Post by **seymore_budz** » Tue Feb 23, 2021 6:02 pm

Treetrunk wrote: ↑
Tue Feb 23, 2021 4:06 pm
I'm using a uvb fluorescent light at the moment.
You can soon fry the plants is you get trigger happy like I did
Apart from that incident I'm impressed with the results.

Hey @Treetrunk,

I'm about to run a little experiment with some CFL UVB reptile bulbs. Can I ask how much light you running and what seems to be the threshold? Any information gratefully received.

MrNice · Post by **MrNice** » Tue Feb 23, 2021 6:17 pm

seymore_budz wrote: ↑
Tue Feb 23, 2021 6:02 pm

Treetrunk wrote: ↑
Tue Feb 23, 2021 4:06 pm
I'm using a uvb fluorescent light at the moment.
You can soon fry the plants is you get trigger happy like I did
Apart from that incident I'm impressed with the results.
Hey @Treetrunk,

I'm about to run a little experiment with some CFL UVB reptile bulbs. Can I ask how much light you running and what seems to be the threshold? Any information gratefully received.

Yo brother seymore last grow i ran a UVB reptile lamp ZooMed 10.0UVB tube for 3 hrs a day plant was fooked so not sure if it did any think...lol
The next grow may run for a longer time in flower only need to sort out me base nutes keep running in to N problems and Calmag issues
so will see how you get on mate......me pull up a chair for this one.....

Treetrunk · Post by **Treetrunk** » Tue Feb 23, 2021 7:45 pm

seymore_budz wrote:
Treetrunk wrote: ↑
Tue Feb 23, 2021 4:06 pm
I'm using a uvb fluorescent light at the moment.
You can soon fry the plants is you get trigger happy like I did
Apart from that incident I'm impressed with the results.
Hey [mention]Treetrunk[/mention],

I'm about to run a little experiment with some CFL UVB reptile bulbs. Can I ask how much light you running and what seems to be the threshold? Any information gratefully received.

https://www.migrolight.com/product/migro-uvb-310/
This is the light I'm using.
They kick out a bit more than a reptile lamp.
I use it for the last 3 weeks of flowering. On for 2 hours mid light cycle.
Happy with it so far.
Agromax do a T5 bulb that's supposed to be good.
Whatever you choose don't use plastic coated reflector's as they absorb the UV.

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seymore_budz · Post by **seymore_budz** » Tue Feb 23, 2021 8:58 pm

Awesome guys, I have 4 X CFLs. They are kind of lower powered but I only need a little from what I understand. I have 2 X medium ones and 2 X high power ones. Here is the data from the medium potency ones. I'm picking up the higher output ones tomorrow.

Treetrunk · Post by **Treetrunk** » Tue Feb 23, 2021 11:10 pm

This is the difference.

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Captain Beefheart · Post by **Captain Beefheart** » Tue Feb 23, 2021 11:25 pm

Rite o I got a UV bulb / strip.....rbh6i lit it up and looked at it it made my feel sick as fuk for an hr it so ....I won't look at it again ever

anyway I'll be hanging it in the chamber in a few weeks time

great googly moogly!

Egzoset · Post by **Egzoset** » Wed Feb 24, 2021 7:56 am

Salutations,

Although i do appreciate the YouTube entries of Bruce Bugbee i'm increasingly less present on-line, so there's a lot that won't fill the hobby time anymore, unfortunately. In days before home-growing got further criminalized in my canuck province the Ultra-Violet subject would have made me read & watch all of it, with special curiosity evoked by IPM concepts meant to deter infestation by nuisible insects as "The Borg". The reasoning was that such little critters would possibly avoid UVA in fear of the more harmful UVB... In any case i did acquire 1 reptile bulb but never went as far as to reach firm conclusions, except i'd want to "chop UVB light periods" to implement "Pulse" mode exposure via timer, to prevent hurting vegetal life and yet simultaneously render my cultivation space even less inviting to parasites. But that was in another life.

Good day, have fun!!