First Grow - 3000w - Ebb & Gro - H&G - Sealed

rbahadosingh

Well-Known Member
Did you see my quote in its entirety? Notice I said TO ME. Yes, I've had good results with Co2 as well, but in the end, it didn't offset all the other expenses and other needs in order to use it. In particular, humidity was a huge issue. If you feel it's worth it to use an AC or dehumidifier constantly during the "fill" cycles for Co2 then go right ahead. TO ME, it ended up a wash economically.
Sorry. Didnt notice the TO ME. Just saw where you said you didnt see that much of a difference. Any yes you are right. There will definately be huge humidity fluctuations. Im not sure if the electricity use of the dehumidifier will offset the increase of yield though. My dehumidifier only comes on for a few minutes at a time. Im wondering if when you did use co2 did you use a controller or did you just use timers?
 

Mcgician

Well-Known Member
Sorry. Didnt notice the TO ME. Just saw where you said you didnt see that much of a difference. Any yes you are right. There will definately be huge humidity fluctuations. Im not sure if the electricity use of the dehumidifier will offset the increase of yield though. My dehumidifier only comes on for a few minutes at a time. Im wondering if when you did use co2 did you use a controller or did you just use timers?
I actually used a Green Air Products Co2/atmospheric controller. The problem I had was, the room heated up quickly, and so did humidity. In fact, it was such an issue, I actually sent the controller back to Green Air Products to be modified at 7.5 degree intervals instead of 15 degree- both for temperature AND humidity. If I'd let the controller operate as it wanted to, it would've taken FOREVER to cool and dehumidify the room, and pretty much makes the whole reason for using Co2 in the first place useless. Nowadays, the temperature and humidity sensors are programmable and are more friendly to each given environment. The problem will always persist though between temperature and humidity control, its cost, and fill intervals, and the supposed benefits.
 

KnowledgeSeeker

Active Member
Hey knowledgeseeker, I have a feeling the reason why your grapefruit diesels are more yellow than the other ones is that they're genetically disposed to be that way, hence, the name grapefruit diesel. Those plants look relatively happy,
Well, the problem is that when the leaves started turning yellow they stopped growing. They haven't really increased in height and all of the Sour D clones, which I got at least a week later than the Grapefruit, has already passed up all of the Grapefruit. I'd like to think it was genetics but the dramatically slowed growth points to a deficiency.

having grown in rockwool cubes/slabs for many years, I can tell you right now, those ones in the small slabs are going to end up too closely positioned- especially given the strains you're growing. Will they eventually end up further spaced apart, or is that the final plant placement?
No, I will be transferring all of them into 2 gal buckets with hydroton for flowering. I was trying to get some feedback on spacing (see this thread: https://www.rollitup.org/hydroponics-aeroponics/238229-ebb-gro-bucket-system-bucket.html ) for flowering but haven't really decided yet. I think I am going to put 6 2-gallon buckets under each 600w. That will give each plant about a 24" diameter space for growth. The lights are close together so I am hoping for some overlap as well.

Also, good luck with the whole Co2 gig. I gave up on Co2 a long while back. With enough fresh air circulation, I have yet to see much of a difference between the two methods myself. And yes, I used Co2 for many years. Like you, I got tired of filling tanks, and having to deal with the heat issues of a sealed room. With a sealed room, you need to cool not just the lights, but the room itself. In the end, TO ME, it wasn't worth the extra money I spent on additional electricity, running ducting, Co2 tank refills, humidity fluctuations, etc. Hope it all works out for you man, good luck.
I'll give a go my first round and see how it goes. My friend's system that I got some of my setup ideas from used CO2 and venting on timers and he had a decent yield (4x 600w, 24 plants, 4lbs) but I'm not sure how much CO2 contributed to it. But seeing his setup and results I'm trekking down the same path for now. I'm hoping the CHHC-1 controller will help me maximize the benefit. We'll see...


Oh, and given that it's summertime, I'd be willing to bet that the bugs you're dealing with are thrips. Spider mites are horrible too, but I've found thrips just as irritating. Kill those fuckers asap! Azatrol is the best weapon I know of.
I thought they were spider mites because I noticed small whites dots on the tops of the leaves. When I looked underneath I saw some very small moving bugs (kinda reddish, maybe, didn't have a scope) and some white dots which I assume are eggs. I sprayed everything with floramite and the bugs stopped moving and fell off. The little white eggs are still there which is probably why the directions say to wait a week and spray again. What are the signs of thrips?

Thanks a million for your advice and feedback. I really, really appreciate it. +rep for sure
 

KnowledgeSeeker

Active Member
I actually used a Green Air Products Co2/atmospheric controller. The problem I had was, the room heated up quickly, and so did humidity. In fact, it was such an issue, I actually sent the controller back to Green Air Products to be modified at 7.5 degree intervals instead of 15 degree- both for temperature AND humidity. If I'd let the controller operate as it wanted to, it would've taken FOREVER to cool and dehumidify the room, and pretty much makes the whole reason for using Co2 in the first place useless. Nowadays, the temperature and humidity sensors are programmable and are more friendly to each given environment. The problem will always persist though between temperature and humidity control, its cost, and fill intervals, and the supposed benefits.
Actually, that brings up another question I've been working on. My friend has the deadband on his AC setup to 3 degrees so his AC comes on fairly often. I've read that a lot of on/off intervals is not good for the compressor and is not very efficient. I was also thinking of combining AC with venting to cool the room very quickly but have the deadband set fairly high, like 10 - 15 degrees. This way the room would cool down from like 85 to 70 or something like that. That way when the cooling period ends the CHHC-1 will blast the room with CO2 until it gets back up to 1500 ppm and the plants will have a longer CO2 uptake period before the next cooling period begins. This would also be a bit more efficient for the AC and easier on the compressor. (I will be upgrading to a mini split AC after I have a couple grows under my belt.) So the questions after the long explanation: is a 15 degree temp change considered dramatic? Would it adversely affect plant growth?
 

KnowledgeSeeker

Active Member
Here's an pic update of the ladies. They are looking pretty good. I sure wish I had more room cuz the 3x3 veg tray is lookin real crowded. I might have to pull some more out before I get to flower. I just don't want them to stretch and I want good healthy plants. Anyone have any input?
 

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KnowledgeSeeker

Active Member
My first batch of clones has roots! I seriously doubted they would make it. It was my first clone attempt and they were cut from the tops of plants not the lower branches. It took 2 weeks but they are lookin better every day. So far 3 have died and I have 21 left. Hopefully the remaining 21 will all make it. 21 out of 24 ain't bad for my first try right?
 

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KnowledgeSeeker

Active Member
So I conducted a test of the air cooled lighting system last night. I turned the lights on and let them heat up for about 2 hours. Then I poked a small hole in the intake duct (after the fan and about 4' before the lights) and inserted a temp sensor . Then i poked a small hole in the exhaust ducting about 3' past the lights and inserted another temp sensor. Intake air temp was about 68 degrees. Exhaust temp was about 78 degrees. I don't think the dayton (463 cfm) is getting the job done. The suntubes are cool to the touch (you can leave your hand on the glass indefinitely) but according to Al B. Fuct if the difference between intake and exhaust is greater than 6 degrees you are probably emitting a lot of heat into the grow room. I'm planning on setting up the second set of lights (two more 600s) this weekend and I think I'm going to try a Vortex 8" 747 cfm and see if that is significantly better. Anyone have any input on the subject?
 

KnowledgeSeeker

Active Member
So I moved the ballasts to the attic. After all this worrying and thinking about heat i figured getting the ballasts out of the grow room was a must. I'm not too fond of the attic because i don't like them being in hot environment (bad for all electrical) and it also worries me that they will catch the house on fire, but my only other alternative was underneath the house and I like the idea of them getting wet and shorting out even less.
 

KnowledgeSeeker

Active Member
I think (i hope, maybe) the grapefruit are getting some green back. It may be wishful thinking on my part so I took pictures today to compare in a couple of days. I got some Earth Juice Microblast two days ago and foilar feed them and added a half strength mix to the nutes (i didn't want to create any toxicity for the other plants.) They hadn't looked any different yesterday. They were still heavy with nutes before flood time (they haven't been drinking as much since the chlorosis came on) so i took them out of the tray and didn't let them soak in the standard nute mix. I foilar feed them with the microblast and I also poured some microblast directly onto the top of the cube near the base of the stalk hoping it would run down the stalk to the roots. It may have worked. I'm going to skip their regularly scheduled feeding again tomorrow and do the same thing.
 

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Integra21

Well-Known Member
seems like they are real picky with their nutrients or may just be weak genetics/pheno. You should keep them isolated to see if you can figure out a good nutrient soup for them. If that doesnt work, it might just be a bad pheno.
 

KnowledgeSeeker

Active Member
Here's a pic update.

I decided that the 3x3' tray was getting too crowded. The plants leaves were overlapping quite a bit and they seem a bit stretchy. I have the lights really close so I think it's due to overcrowding. I took three of the grapefruit out because they were the smallest and growing the slowest. Check out the pics and let me know if you think that's enough space in between plants. Thx
 

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epic set up man, you really did go all out. im very impressed with the growth rate of your little ladies. keepin a watch on this thread. want to see when these girls become the pornstars of marijuana cultivation.
 

KnowledgeSeeker

Active Member
epic set up man, you really did go all out. im very impressed with the growth rate of your little ladies. keepin a watch on this thread. want to see when these girls become the pornstars of marijuana cultivation.
Thx bro. I've been learnin a lot along the way (thanks to RIU and local friends.) I've been treating these bitches like princesses hoping they turn into queens.
 

KnowledgeSeeker

Active Member
I did a Res change today. It's only been 10 days since the last res change but I'm getting closer to flower and I want them to have really good conditions for the end of veg. Some others who are running H&G nutes change every week. I'd like to do that but the pocket book says 10 days for now. Maybe next grow. Here's my res journal entry:

50 gal
Starting pH 7.4

Added
400 mL Aqua Flakes A & B
50 mL of Microblast

pH 6.5

65 mL of pH Down

pH 5.6

250 mL Algen extract
50 mL Roots Exceleratur

Ph 6.0

15 mL pH down

pH 5.7

I adjusted it to 5.7 because I have a feeling it is going to creep up. Also, H&G says to pH it after the Aqua flakes and leave it be but I just can't get myself to subject the ladies to 6.0 pH. I emailed them today about the pH rising after adding the Algen and Roots Excel. We'll see what they say.
 

KnowledgeSeeker

Active Member
Today i ordered a Can Fan Max Fan 10" (for room exhaust), (2x) 6" sun tubes, (2x) Adjust-A-Wing medium, (2x) super spreader medium, Vortex 8" inline fan (for cooling lights), and (6) sure-to-grow 2 gal media inserts (I want to try a couple out and see how they perform compared to the hydroton.)
 

c5rftw

Well-Known Member
fuck yah, and your own generator for all thhat energy... that way they cant track your energy which seems to be the only way of catching large, secluded grows
 

KnowledgeSeeker

Active Member
fuck yah, and your own generator for all thhat energy... that way they cant track your energy which seems to be the only way of catching large, secluded grows
I'd go solar. As long as you have the initial investment it's a no brainer. Free energy and you get to sell some to the local utility company.
 
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