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A Decision Needs To Be Made..

  • Thread starter Thread starter crimsonecho
  • Start date Start date Oct 23, 2018
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A Decision Needs To Be Made..

crimsonecho Oct 23, 2018 181 Replies 26,228 Views
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Which one would you choose?

  • Option 1

  • Option 2

  • Option 3

  • Option 4


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Pass2TheLeft

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#21
Thats end of week 3 flower and a 4 week veg from rooted cutting
 
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Pass2TheLeft

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#22
Ive found if you run 30/70 blue red during veg they grow very very fast on full spectrum i.e both running in 4 weeks 1 plant can fill a 5 by 5 area from rooted cutting
 
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crimsonecho

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#23
Pass2TheLeft said:
View attachment 837836 View attachment 837836
Click to expand...
I meant from the all blue grow :)
 
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crimsonecho

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#24
Pass2TheLeft said:
Ive found if you run 30/70 blue red during veg they grow very very fast on full spectrum i.e both running in 4 weeks 1 plant can fill a 5 by 5 area from rooted cutting
Click to expand...
Yeah i know, and if i scrog or something the 3000K-3500K should work very well but i got elongated plants with 3000K this time. I am going to flip a coin in the end i guess :D
 
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Pass2TheLeft

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#25
CrimsonEcho said:
Yeah i know, and if i scrog or something the 3000K-3500K should work very well but i got elongated plants with 3000K this time. I am going to flip a coin in the end i guess :D
Click to expand...
Haha good on you bro i would aswell im looking forward to seeing you crack a epic yield next grow;)
 
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crimsonecho

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#26
Pass2TheLeft said:
Haha good on you bro i would aswell im looking forward to seeing you crack a epic yield next grow;)
Click to expand...
Thanks dude, i hope so :)
 
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MidwestToker

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#27
CrimsonEcho said:
Have you flowered under 4K?
Click to expand...
Yes, but not with cob's.

The left is running around 2700k and the right is a mix of 3.5 and 4k
 
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sixstring

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#28
Option 4
 
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MIMedGrower

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#29
CrimsonEcho said:
What would the best spectrum in your opinion for flowering?
I read about 2700K, 3000K and 3500K. People swear by them all.
Click to expand...


I can’t recommend led as I have not used them yet.

My personal experience is with HPS, MH and CMH.

I will say if you want shorter plants mix some more blue in to help reduce stretch.

Also keep lights out temps close to lights on temps. Cold nights cause plants to stretch more.
 
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MIMedGrower

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#30
MidwestToker said:
Yes, but not with cob's.
View attachment 837842
The left is running around 2700k and the right is a mix of 3.5 and 4k
Click to expand...


If they are the same cutting looks like 2700k bloomed up a lot better.
 
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MidwestToker

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#31
MIMedGrower said:
If they are the same cutting looks like 2700k bloomed up a lot better.
Click to expand...
3/4 of them are the same strain. After all was said and done the ones on the right produced 18 ounces under 270 watts in a 3x4' area.
 
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Smoking Gun

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#32
CrimsonEcho said:
If you want a more balanced spectrum wouldn’t option 4 make more sense?
10X3000K
6X4000K
2X6500K

I know there are too many variables to accurately calculate the exact K value of resulting light from these leds but the mixture of these lights will probably be warmer than 4000K. So it will still be a warm light for flower.
Click to expand...

I liked the configuration of option 3 more as it spread out the more blue light but left the spectrum red enough in flower to get good results. It still provides a wide spectrum but gets the flowering spectrum a little more red which seems to give desireable results.
 
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MIMedGrower

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#33
MidwestToker said:
3/4 of them are the same strain. After all was said and done the ones on the right produced 18 ounces under 270 watts in a 3x4' area.
View attachment 837885
Click to expand...

Wow! Looks frosty too!

But what about the left?
 
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crimsonecho

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#34
It looks delicious and with only 270 watts! Thats nice! Do you have the weigh in results of the left one too :)

MidwestToker said:
Yes, but not with cob's.
View attachment 837842
The left is running around 2700k and the right is a mix of 3.5 and 4k
Click to expand...

MidwestToker said:
3/4 of them are the same strain. After all was said and done the ones on the right produced 18 ounces under 270 watts in a 3x4' area.
View attachment 837885
Click to expand...

MIMedGrower said:
Wow! Looks frosty too!

But what about the left?
Click to expand...
 
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MidwestToker

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#35
MIMedGrower said:
Wow! Looks frosty too!

But what about the left?
Click to expand...
Sorry , looks like some of my corrected post didn't post right.
The ones on the left were the 18 ounces dry, which is 6 plants in 9 L pots of coir.
The right is only 4 plants with a week longer veg period and as such they are a week behind flower from the left ones, and they yielded a pound.
I was sort of worried with the one right ones as far as how well the LED's would penetrate those taller plants but it did better than I thought.
 
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crimsonecho

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#36
So 2700K, 6 plants = 18 oz.
3.5K-4K, 4 plants = 16 oz.

Same wattage?

I know this will not prove anything as there are different strains and these probably came from seeds not the same mothers, right?

But it shows you can get good yields under colder whites too. Maybe even better :)

Also, i think all this leds don’t have penetration stuff is bs.
 
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MIMedGrower

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#37
MidwestToker said:
Sorry , looks like some of my corrected post didn't post right.
The ones on the left were the 18 ounces dry, which is 6 plants in 9 L pots of coir.
The right is only 4 plants with a week longer veg period and as such they are a week behind flower from the left ones, and they yielded a pound.
I was sort of worried with the one right ones as far as how well the LED's would penetrate those taller plants but it did better than I thought.
View attachment 837984 View attachment 837985 View attachment 837986
Click to expand...


Well I’m only looking at pics but it seems the warmer spectrum made more buds faster.

Quality differences?

I am upgrading my 4 year old hps system soon and am still likely to buy hps again for the flower room. Maybe with a cmh in between the 2 600’s.

But I do need the extra radiant heat in winter. Rooms already cold and has a night time heater added this year.
 
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MidwestToker

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#38
CrimsonEcho said:
So 2700K, 6 plants = 18 oz.
3.5K-4K, 4 plants = 16 oz.

Same wattage?

I know this will not prove anything as there are different strains and these probably came from seeds not the same mothers, right?

But it shows you can get good yields under colder whites too. Maybe even better :)

Also, i think all this leds don’t have penetration stuff is bs.
Click to expand...

Yes, same wattage. No, mainly same strains from cuttings. Per say, I don't really keep mothers, they get too big really fast for my space.
 
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MidwestToker

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#39
MIMedGrower said:
Well I’m only looking at pics but it seems the warmer spectrum made more buds faster.

Quality differences?

I am upgrading my 4 year old hps system soon and am still likely to buy hps again for the flower room. Maybe with a cmh in between the 2 600’s.

But I do need the extra radiant heat in winter. Rooms already cold and has a night time heater added this year.
Click to expand...
Already got the DE hung back up and running just to get my lights on temps to 75. You're probably running heat up there ?
 
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MIMedGrower

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#40
MidwestToker said:
Already got the DE hung back up and running just to get my lights on temps to 75. You're probably running heat up there ?
Click to expand...


At lights out I keep an oil radiator heater on low in the flower room and the veg tent/ lung room to keep temps above 65 degrees.

Lights on exhaust from the flower room actually runs down through the Grow room floor and under the living room floor and is blowing toward the open basement stairs to be recirculated by the ceiling fan and sent back to the living area.

In summer it is connected to the chimney to exhaust outside.

The cmh exhaust in the veg tent blows back into the living room.

The rooms are adjacent to the living room and a few feet from the couch. The supplemental heat probably saves 400 gallons of propane per winter.
 
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Replies 181
Views 26,228
Started Oct 23, 2018
Latest post Jun 9, 2019
Starter crimsonecho
Forum L.E.D Grow Lights

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