Best commercial LED/COB is ?

[MeGaKiLlErMaN]

I'd like to see a chart like this for newer lights, I think this is 3 years old. It would do a lot to stop these endless arguments.........

Without data like this, discussion is meaningless:


View attachment 3820348

Those are decent outputs, I mean for what they were back in the day.Gavita 1000W: 2.07 umol/W. Cobs 830W umol/s/W 4.65 The future is here!

 

[pop22]

and did you notice that some so called "good" light barely beat The Chinese iGrow? So much for those Solar Storms and Black Dog lights.....

Those are decent outputs, I mean for what they were back in the day.Gavita 1000W: 2.07 umol/W. Cobs 830W umol/s/W 4.65 The future is here!

 

[CobKits]

current solar storms are 50% more efficient than those models they tested. that chart is pretty obsolete. the fluence that replaced the bml jumped from 1.7 to 2.1ish.

im not alone in my opinion that red/blue does not get a fair shake in PPF readings as their spectrums are actually far more active. id put the current 1.55 umol solarstorm up against the 1.7 umol gavita watt for watt all day long

 

[MeGaKiLlErMaN]

current solar storms are 50% more efficient than those models they tested. that chart is pretty obsolete. the fluence that replaced the bml jumped from 1.7 to 2.1ish.

im not alone in my opinion that red/blue does not get a fair shake in PPF readings as their spectrums are actually far more active. id put the current 1.55 umol solarstorm up against the 1.7 umol gavita watt for watt all day long

Not a bad idea, you know someone that wants to buy a solar storm instead of any of the other options. I'm sure they are a good light but I don't want to drop money on that when there is much better around you know? But if someone has one then I can send out a DE HPS with a new bulb for the test.. After this side by side I'm trashing all my HPS.

 

[CobKits]

no need ive got several acde collecting dust. solarstorms are great but cobs are at least as good and more affordable

 

[CobKits]

Those are decent outputs, I mean for what they were back in the day.Gavita 1000W: 2.07 umol/W. Cobs 830W umol/s/W 4.65 The future is here!

well most cob setups are right in that same 1.7-2.1 range (but win on coverage and spectrum)

 

[Yodaweed]

no need ive got several acde collecting dust. solarstorms are great but cobs are at least as good and more affordable

Can I have your ac/de's then? pretty please?

 

[churchhaze]

View attachment 3820835

What's sad is that people from RIU are clearly editing the plant nutrition page of wikipedia.... last time I checked that page, sand is a macro-nutrient and there's even citations to prove it!.

Edit: looks like it's fixed!! (i promise i didn't do it... okay I did...)

 

[sixstring2112]

Green sand ?

 

[The Dawg]

Green sand ?

And Eggs

 

[sixstring2112]

No thats green eggs n sand

 

[The Dawg]

Here's A Heart Breaker This Is The Light I'm Using In The Party Cup Comp. Its A CXB 3590 5000K DD Bin What Ya Think

 

[lex660nm]

I don't get what you're saying?
The light that has UV is the one w/ the bulb. The SE-450.
Those sites selling Amares have clerical errors everywhere.
UVB is what Amare uses not A. With that said, UVB diodes aren't readily available as far as I know & UVA ones tend to blow out. Like Mars n so many others.
So, to answer your question, NO the Pro-9 does not have UV but does have IR.
I've never grown tree as quality as I get from my Amares.

uv-b 280nm real uv-b leds are now beeing produced and are very special as they need only i think about 20mA drivecurrent and cost about 8 dollars a piece, but for those looking to diy a real good growlight With real uvb leds instead of reptile bulbs thats the route to og With an own small driver and off switch off course