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Old 11-26-2020, 08:14 AM #601
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Quote:
Originally Posted by Biologist View Post
Roadblock, I think the crosslighting is super important. When I turn on just one row of my lights it is extremely dim looking compared to with all the lights going. That would be what I assume it would look like with a wall in there. If you read the Gavita and other manufacturers literature that they put out they say walls kill your yield. Even with reflective material, a lot is lost.

I found this useful-
https://gavita.com/retail/app/upload...l-growroom.pdf

"The reason for that difference in losses is caused by your walls. In a small room the ratio wall surface
to floor surface is much higher than in a large room. A 1x1m room has a 4:1 wall to floor surface ratio
(4 meters of wall to 1 square meter of surface). A 5x5m room has a 1:1.25 wall to floor ratio (20 meters
of wall against a 25 square meters of surface) which makes all the difference. More walls mean more
losses. Larger rooms are more efficient than small rooms."
Thanks that makes so much sense, I have two 12x12 rooms 9x9 grow spaces and was thinking of knocking out the wall and run the 8 chm 630s in one bigger room instead of the two smaller rooms, not sure how much of advantage it would be because its not square.

The reason of the two rooms was so I could flower 24 hrs a day.
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Old 11-26-2020, 08:21 AM #602
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Quote:
Originally Posted by Roadblock View Post
Thanks that makes so much sense, I have two 12x12 rooms 9x9 grow spaces and was thinking of knocking out the wall and run the 8 chm 630s in one bigger room instead of the two smaller rooms, not sure how much of advantage it would be because its not square.

The reason of the two rooms was so I could flower 24 hrs a day.

Having two flower rooms is great. I have 2 flower rooms triggered 4-5 weeks apart. It spreads out the workload, allows me to run half the amount in veg, harvest once a month and don't have to bring in as much help.
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Old 11-26-2020, 09:08 AM #603
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Originally Posted by mikeross View Post
Having two flower rooms is great. I have 2 flower rooms triggered 4-5 weeks apart. It spreads out the workload, allows me to run half the amount in veg, harvest once a month and don't have to bring in as much help.
Thats exactly how I do it basically one room comes out every mth.
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Old 11-26-2020, 02:48 PM #604
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Quote:
Originally Posted by mikeross View Post
The overlap on the lighting makes a difference for sure, how much, not sure, to many variables. If there was a wall in every aisle the overall yield would go down for sure IMO.
Its a hell of a lot IMHO. I use only 400w hps atm, the 630cm is waiting for a new room to be build.

At the end of the rows, its all larf at the bottom/sides. In the middle of the row the same height and/or distance from the light its nugs. How much in weight and such I dunno, but I do know I would never put a wall up between. I have Actually been thinking about forgetting rows and make squares, just because of this reason. Leason learned? If someone CAN have side lightning I would say GO! So long as its not some other issues that would say otherwise.

Just my 2 cents.

Edit: have really put an effort in learning this, "stretching" the light distance as much as I can...
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Old 11-27-2020, 04:55 AM #605
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I see in this thread hormex mentioned a lot, I hate being in Aus when Im trying to get stuff I cant find it anywhere so tried to get something with the same ingredients.

The closest I could find was a product called Auxinone it appears pretty close, do you guys think it do a simialr job as hormex.

https://nuturf.com.au/wp-content/upl...-A3-Format.pdf

Auxinone is a biostimulant containing a blend of Auxins that promote growth in plants. Auxinone
incorporates 2 of the most common Auxins found in plants - Indole Acetic Acid (IAA) to encourage
cell development and Naphthalene Acetic Acid (NAA) for improved root growth. Auxinone also
incorporates Thiamine (commonly known as Vitamin B1) to further enhance root development.
When used in conjunction with a useful fertiliser program, Auxinone will;
• Stimulate root development, particularly when establishing new turf areas
• Encourage new growth in turf following winter dormancy
• Improve turf development in weaker areas
• Enhance root development initiation in plant propagation situations

• Economical for use both as a regular monthly maintenance bio-stimulant
option or for broadacre turf establishment
• Strengthens your fertility program, maximises root development and
uptake of applied nutrients
• Excellent tank mix flexibility. Can be used in conjunction with a wide
variety of plant nutrition, wetting agent and plant protection products
• Excellent liquid option as a rooting compound for cuttings in plant
propagation. Proven to significantly enhance root initiation and plant
establishment
• Unlike many other Biostimulants, Auxinone is registered with the APVMA,
ensuring consistency in manufactured product and peace of mind that the
product will do the job it is claimed to do
• Developed and manufactured in Australia.
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Old 12-02-2020, 08:21 AM #606
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>Josh_Neulinger's latest instagram post from 11/15 is an LED room pushing 1700PPFD and 1500ppm CO2 with supporting environment (85F and 70% RH) also monitoring pore water EC and utilizing crop steering techniques.

Ibechillin thanks for introducing me to this dude's work. Fascinating stuff. Do you know what temps and RH he does in late flower? Surely not jamming at 85/70 the whole way?
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Old 12-02-2020, 08:42 AM #607
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Old 12-02-2020, 07:00 PM #608
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I tried a DJM grow with high RH and got bud rot in some of the sensitive strains around week 6 and bailed on it. In my environment I can't do high RH in late flower. Maybe my technique and room just aren't up to snuff. I had tons of fans blasting etc. I wish I had one of those sterile grows where you wear the shoe booties, I'd love to see what happens. My plants grow awesome at high temp and RH during early flower but I turn it down in late flower (pretty much what Eric does works best for me). I'm also concerned that some people seem to report drastically ( I think one dude said half!) lower THC numbers if they do high RH in late flower. Has Josh ever reported any THC and terp values for his flower?
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Old 12-02-2020, 07:39 PM #609
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Originally Posted by Biologist View Post
I tried a DJM grow with high RH and got bud rot in some of the sensitive strains around week 6 and bailed on it. In my environment I can't do high RH in late flower. Maybe my technique and room just aren't up to snuff. I had tons of fans blasting etc. I wish I had one of those sterile grows where you wear the shoe booties, I'd love to see what happens. My plants grow awesome at high temp and RH during early flower but I turn it down in late flower (pretty much what Eric does works best for me). I'm also concerned that some people seem to report drastically ( I think one dude said half!) lower THC numbers if they do high RH in late flower. Has Josh ever reported any THC and terp values for his flower?

DJM slowly drops the humidity last 3 weeks on a 9 week strain. If I recall he said on some runs with certain strains he drops the humidity to even lower figures than whats quoted below. His high humidity numbers are more for veg through mid flower. You also got to keep in mind he's also maxing out all aspects of his environment. You can't just push one aspect of the environment, it will cause issues, you need to be pushing everything... temp, co2, humidity, feed, air movement etc. etc. imo.


Quote:
Originally Posted by DJM View Post
twisted - I posted my temp /rh schedule a few pages back..these are the parameters I prefer...some say I run my rooms too hot, but what people don't realize is high heat during a colas formation is one of the biggest factors in how big the flowers get...a flower formed in a 85 degree room will always be larger than one in the mid to high 70s...always...once I get the flower size and formation I want , only then do I drop temps to facilitate the ripening phase

ALL veg - 85 f / 75% rh (day) ; 80f/ 70% (night) ; 800 ppms co2

week 1 - 85f/ 75% rh (day) ; 80 f/ 70% (night) ; 1000 ppms co2

week 2 - 85f/ 75% rh (day) ; 80 f/ 70% (night) ; 1000 ppms co2

week 3 - 85f/ 75% rh (day) ; 80 f/ 70% (night) ; 1000 ppms co2

week 4 - 82f/ 72% rh (day) ; 78f/ 68% (night) ; 1000 ppms co2

week 5 - 80f/ 70%rh (day) ; 75f / 65% (night) ; 1000 ppms c02

week 6 - 80f /70%rh (day) ; 75f / 65% (night) ; 1000 ppms co2

week 7 - 78f/68% rh (day) ; 72 f/ 62% (night) ; 1000 ppms co2

week 8 - 75f/ 65%rh (day) ; 70f/ 60% (night) ; 0 ppms co2

week 9 - 70f /60% rh (day) ; 60f/ 50% (night) ; 0 ppm c02


and thanks for the kind words

Last edited by mikeross; 12-02-2020 at 07:58 PM..
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Old 12-02-2020, 11:30 PM #610
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Yes I was maxing it all and following that chart and still got my result. I didn't max EC but I don't think he does either, he always talks about never going over 1000 ppm. I think my environment and technique may just not be as clean as his. He also used outside air in Colorado for his unique flow through ventilation system in a lot of that thread I believe. Although I think he runs sealed now in Maine and still does high temp and rh.
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