$229 for 800w LED.....how bad can it be?

[driver77]

I opened a thread on the add on bars a while back if your interested.
uv/ir thread

 

[Hammerhead]

SOWAHH MALE

 

[driver77]

SOWAHH MALE
View attachment 18863848

OK...how do you get your leaves that damn green??

 

[Hammerhead]

I use different nutrients for veg and flower..
VEG PBP grow ...500ppm 6.4ph
FLOWER V&B DIRTY. 1.3ec 6.4ph.

Promix HP says to use ph 5.8 but in my garden that causes major deficiencies. I use a PH range of 6.3-6.5..I like to try for a stable 6.4 Ph.. I do the same using any bagged soil/Soilless. I'm using happy frog for this run.

 

[Mars Hydro Led]

I got the MarsHydro uv/ir bars for around $80 for a set of 2. They are rated at 30w of uv and 15w of ir but mine(2 sets) only draw 40w total....but that's at 110v. They come with a couple options for installation. I modified the plastic clips that work with their lights by clipping off the end, so instead of clipping on like it's supposed to it just lies across top of the rail. It's wider than our light so you could just lay it on top...which I did at first. It is uvb by the way. They recommend running them for a few hours a day on separate schedules ....which is impossible to do with the way it's designed. So I run mine with main light schedule. I noticed faster growth, faster to flower(autos), frostier buds, more potency for sure and smell seems stronger, but the 3 plants I've harvested from under it are still curing.
View attachment 18863766
This is how I had it at first....
View attachment 18863767
I think either way is fine, although just laying it on top of rail blocks a couple inches of the bar.

Nice to see your test comparison results. Would you like to share a photo of your harvest?

 

[driver77]

Nice to see your test comparison results. Would you like to share a photo of your harvest?

This is most recent....ILGM Bruce Banner auto

 

[Mars Hydro Led]

Great result, looks very tempting.

 

[UGDoCV]

Couple Blue Dreams cooking in veg tent waiting on their turn.

 

[Thegreengrower64]

I got the MarsHydro uv/ir bars for around $80 for a set of 2. They are rated at 30w of uv and 15w of ir but mine(2 sets) only draw 40w total....but that's at 110v. They come with a couple options for installation. I modified the plastic clips that work with their lights by clipping off the end, so instead of clipping on like it's supposed to it just lies across top of the rail. It's wider than our light so you could just lay it on top...which I did at first. It is uvb by the way. They recommend running them for a few hours a day on separate schedules ....which is impossible to do with the way it's designed. So I run mine with main light schedule. I noticed faster growth, faster to flower(autos), frostier buds, more potency for sure and smell seems stronger, but the 3 plants I've harvested from under it are still curing.
View attachment 18863766
This is how I had it at first....
View attachment 18863767
I think either way is fine, although just laying it on top of rail blocks a couple inches of the bar.

Those ain't uvb diodes. At this point in time uvb diodes are not available in led form. Why? Because they're so damned expensive to produce. So what you have are just generic uva diodes, which quite honestly don't do much. So what you're seeing on your plants would've happened anyway. If wanting to add uvb then you need to go down the uvb fluorescent Road.

 

[Thegreengrower64]

Those ain't uvb diodes. At this point in time uvb diodes are not available in led form. Why? Because they're so damned expensive to produce. So what you have are just generic uva diodes, which quite honestly don't do much. So what you're seeing on your plants would've happened anyway. If wanting to add uvb then you need to go down the uvb fluorescent Road.

Those ain't uvb diodes. At this point in time uvb diodes are not available in led form. Why? Because they're so damned expensive to produce. So what you have are just generic uva diodes, which quite honestly don't do much. So what you're seeing on your plants would've happened anyway. If wanting to add uvb then you need to go down the uvb fluorescent Road.

 

[driver77]

Those ain't uvb diodes. At this point in time uvb diodes are not available in led form. Why? Because they're so damned expensive to produce. So what you have are just generic uva diodes, which quite honestly don't do much. So what you're seeing on your plants would've happened anyway. If wanting to add uvb then you need to go down the uvb fluorescent Road.

I never claimed they where uvb??I just read where I did lol...sorry I corrected it...they are not UVB....they are UVA. While I agree that I have uva bars in my tent, let me turn you on to some info on uva/uvb and cannabinoid production in cannabis cultivation. There have been multiple tests proving uva is as good as uvb without all the damage.
uva/uvb cannabinoids
uva vs uvb in cannabinoid production
I can go on and on.....a quick google will give you more results if you need them.
I stand by my statement that the bars added something extra....potency was definitely better, first batch has cured a bit now and it smells different from same genetics grown without uva.....they can be found for as little as $60 for a set to see for yourself. You won't regret it

 

[driver77]

Couple Blue Dreams cooking in veg tent waiting on their turn.

I'm about tired of you guys making my tents look bad! Got a photo in flower and starting 3 more....maybe 4. I might even break out the trellis and go for a sog grow......lol, looking great as always!

 

[Thegreengrower64]

I never claimed they where uvb??I just read where I did lol...sorry I corrected it...they are not UVB....they are UVA. While I agree that I have uva bars in my tent, let me turn you on to some info on uva/uvb and cannabinoid production in cannabis cultivation. There have been multiple tests proving uva is as good as uvb without all the damage.
uva/uvb cannabinoids
uva vs uvb in cannabinoid production
I can go on and on.....a quick google will give you more results if you need them.
I stand by my statement that the bars added something extra....potency was definitely better, first batch has cured a bit now and it smells different from same genetics grown without uva.....they can be found for as little as $60 for a set to see for yourself. You won't regret it

Thanks for the reply fella. Yeah, I've already got my uvb fixtures. Did you happen to check that vid I sent . The reason I put that particular video up, is that the two guests are high up in the chain at Samsung, where the lm301h/b diodes which we all use are produced. The one gentleman is the actual scientist ( if memory serves me right) that was /is involved in the technology behind all the diodes. Who better than which to get the information from, from the folks that produced them.

 

[Thegreengrower64]

Thanks for the reply fella. Yeah, I've already got my uvb fixtures. Did you happen to check that vid I sent . The reason I put that particular video up, is that the two guests are high up in the chain at Samsung, where the lm301h/b diodes which we all use are produced. The one gentleman is the actual scientist ( if memory serves me right) that was /is involved in the technology behind all the diodes. Who better than which to get the information from, from the folks that produced them.

I did have a look at that report my friend, the, uva vs uvb in cannabinoid production. And to be honest, it's a bit vague and didn't really get into the bones of it, plus it was also advertising a product (blackdog) with their ir/uva diodes, so of course they're going to be favourable in their comments. Not discounting that uva plays a role, I would say, of course it does. And the research still continues, thankfully.
There's so much, bro science, and everybody has their own opinions, which is why I suggested that particular video; to get the information from the source. .

 

[driver77]

Thanks for the reply fella. Yeah, I've already got my uvb fixtures. Did you happen to check that vid I sent . The reason I put that particular video up, is that the two guests are high up in the chain at Samsung, where the lm301h/b diodes which we all use are produced. The one gentleman is the actual scientist ( if memory serves me right) that was /is involved in the technology behind all the diodes. Who better than which to get the information from, from the folks that produced them.

So since your running it that means you believe it adds something to the end product...uv that is??
Watched the video...great info thanks! HLG also makes uva supplement bars....
Sorry the links I sent were both by light companies lol. There are independent study's showing uva works as well as uvb...although the amount of uvb required to get results is far less than uva, it seems uva gets the job done without the damage. Here's one UV
Do you use uvb throughout the grow or just at end of flower?
What I'm getting out of hearing most light manufacturers say is that to add the uv to an existing model light is not worth the trade offs they have to make to get it. So supplementing seems the only good option imho.

 

[Hammerhead]

I use HLG UVA bar.. IMO it helps more for boosting the plant's defenses against pathogens/Molds. Ive not noticed any improvement in potency or resin production.

 

[driver77]

I use HLG UVA bar.. IMO it helps more for boosting the plant's defenses against pathogens/Molds. Ive not noticed any improvement in potency or resin production.

I haven't really noticed resin production improvement either...but I for sure got a potency boost.
Are you supplementing ir too?

 

[Hammerhead]

LED vendors add far red/deep red to their fixtures which is all I need. Im using Mars and HLG with 1 30w UVA bar in the main flower room with CMH.. I don't need extra IR. I don't see the need to add more heat(IR) that doesn't add significant improvements. Quality is everything to me not yields.

 

[Thegreengrower64]

So since your running it that means you believe it adds something to the end product...uv that is??
Watched the video...great info thanks! HLG also makes uva supplement bars....
Sorry the links I sent were both by light companies lol. There are independent study's showing uva works as well as uvb...although the amount of uvb required to get results is far less than uva, it seems uva gets the job done without the damage. Here's one UV
Do you use uvb throughout the grow or just at end of flower?
What I'm getting out of hearing most light manufacturers say is that to add the uv to an existing model light is not worth the trade offs they have to make to get it. So supplementing seems the only good option imho.

Thanx for the reply.
Do I believe uvb adds something to the end product, I sincerely hope it does. But I would say, that the only way to quantify that would be to run a side by side experiment ( ourselves, and not by some led manufacturer) ; unfortunately alot of us home growers don't do that because of time and space limitations. So we have to rely on research and what we're told etc...
I use the, solarcure power flower fixtures ( double fixture). I start to use mine at around 3weeks before end of flower run time. And I start at 30 mins on per day, raising it ( strain dependent) to 60mins per day. They use very little wattage too, 32watts each fixture, so a total of 64watts.
So do I think it's worth using them?
Yes I do. But that's just my opinion.
I've also thankfully never suffered any pm problems throughout all my yrs of growing, so if you do have this problem, then the uvb also helps to eliminate all the spores too.
Best regards.

 

[Thegreengrower64]

Thanx for the reply.
Do I believe uvb adds something to the end product, I sincerely hope it does. But I would say, that the only way to quantify that would be to run a side by side experiment ( ourselves, and not by some led manufacturer) ; unfortunately alot of us home growers don't do that because of time and space limitations. So we have to rely on research and what we're told etc...
I use the, solarcure power flower fixtures ( double fixture). I start to use mine at around 3weeks before end of flower run time. And I start at 30 mins on per day, raising it ( strain dependent) to 60mins per day. They use very little wattage too, 32watts each fixture, so a total of 64watts.
So do I think it's worth using them?
Yes I do. But that's just my opinion.
I've also thankfully never suffered any pm problems throughout all my yrs of growing, so if you do have this problem, then the uvb also helps to eliminate all the spores too.
Best regards.