The ULTIMATE Flowering Spectrum

SupraSPL · Apr 6, 2013

The 630nm and 660nm reds are now equal in radiometric efficiency. Yes you can use 630nm without 660 alone but KNNA warned against using 660nm with 630. I use them about 50/50. It makes sense to spread your SPD as much as possible in the red/deep red range.

SnotBoogie · Apr 6, 2013

For what it's worth, I ran 660nm LED with very little spread of other reds (only what some small CFL for side lighting gave out) with no "ill effects". Im sure growth couldve been faster but it was certainly not slow.

edit: in fact i actually ran nothing but a royal blue / deep red panel for 5 days with no ill effects either.

Fonzarelli · Apr 6, 2013

SPD for the 860w CMH Allstart,

PurpleBuz · Apr 6, 2013

Fonzarelli said:
SPD for the 860w CMH Allstart,
View attachment 2603389

if they could just get rid of that green spike .... sigh

Fonzarelli · Apr 6, 2013

PetFlora said:
From what I've learned, mmj benefits most in flower from 630-650 nm, wheras most mfgs make 660 the dominant nm. Here's my source...

over ~580nm or so (which has a Photosynthetic RS of over 90%!)
>
most of the ~660nm+ you actually need for photomorphogenesis - and you can get by with 630nm reds just fine.
>
(i.e. 630nm red is ~95% of the PSR of 660nm, AND they currently still have ~20-30% greater radiometric efficiency - as well as being cheaper than the deep reds - so there's more 'bang for the buck'):

If this is true, then it seems like the 860w Allstart would be a much better flowering lamp than their 315w Agro which is specifically designed for flowering plants. The Agro was made with a large peak right at 660nm. So if what you are saying is true, and I don't doubt you at all, it would make Philips WRONG.

Fonzarelli · Apr 6, 2013

PurpleBuz said:
if they could just get rid of that green spike .... sigh

Green is ok when you are dealing with a higher power light source.

Fonzarelli · Apr 6, 2013

SnotBoogie said:
For what it's worth, I ran 660nm LED with very little spread of other reds (only what some small CFL for side lighting gave out) with no "ill effects". Im sure growth couldve been faster but it was certainly not slow.

edit: in fact i actually ran nothing but a royal blue / deep red panel for 5 days with no ill effects either.

1. Why did you only run it for 5 days?

2. Let's see some photos!

PurpleBuz · Apr 6, 2013

Fonzarelli said:
Green is ok when you are dealing with a higher power light source.

agree its ok in fact probably the key to penetration through the canopy ... still wish the peaks weren't so high.

mamakush · Apr 6, 2013

Fonzarelli said:
I don't think you understood the statement. I didn't say it would temporarily lose vigor if switched to a higher quality spectrum. I said it will do better by NOT having to adjust to a higher quality spectrum. Therefore, you lose zero grow/flower time. Adding wavelengths that plants are already, by Nature are adapted to grow under will allow the plant to grow WITHOUT having to adapt. That's the whole point. The 630-670nm part of the spectrum is where ALL grow lights fail, except for a few new CMH lamps new to the industry. When you add this part of the spectrum to your grow, you see the plants take off as if on steroids, that is if everything else is dialed in correctly as well.

You're right, I was thinking about the statement in a different way. Thanks for clarifying.

bicit · Apr 7, 2013

fonzarelli- What sort of background do you have? Can I PM you? I have some questions and I don't want to derail your thread.

SnotBoogie · Apr 7, 2013

Fonzarelli said:
1. Why did you only run it for 5 days?

2. Let's see some photos!

1. I was away: wanted to keep heat down so they would cope with the lack of watering better.

2. No camera at the moment sadly.

SCARHOLE · Apr 8, 2013

PetFlora said:
Should there be a little yang to your yin... like also some ~730 on the same circuit/timer?

I would run 700-730 nm all The time.
Along side your 660-700m for the Emerson effect....

Fonzarelli · Apr 8, 2013

bicit said:
fonzarelli- What sort of background do you have? Can I PM you? I have some questions and I don't want to derail your thread.

Background? Do you mean school? I have a degree in science and art. 20 years of gardening indoor/outdoor. 5 years of lighting research. PM is fine. Shoot!

hyroot · Apr 8, 2013

Is the 860w in action yet?

Fonzarelli · Apr 9, 2013

hyroot said:
Is the 860w in action yet?

Almost, I have to finish this last harvest. I just chopped a few ripe ones under this spectrum. Here's a beauty. Didn't expect the purple.

PurpleBuz · Apr 9, 2013

Fonzarelli said:
Almost, I have to finish this last harvest. I just chopped a few ripe ones under this spectrum. Here's a beauty. Didn't expect the purple.

View attachment 2608214 View attachment 2608215

thats purrty

hyroot · Apr 9, 2013

That looks like blackberry og. Looks dank and tasty.

Fonzarelli · Apr 11, 2013

AK47 finished under the ULTIMATE spectrum. Nice and tight!

PurpleBuz · Apr 11, 2013

i can't see them

Fonzarelli · Apr 11, 2013

^^^Smells like sweet cherries^^^ I highly recommend this strain, but you gotta pop all the beans till you find that keeper plant.

The ULTIMATE Flowering Spectrum

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