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3000W SCROG inspired by the "Doc"

LEDNewbie

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i finally talked LED into it as he will be running c02 tonight

Just picked up my CAP regulator and valve. Now heading out to get my 50 lbs bottle of CO2. Should have it running by the time lights come back on. WIll update later with pics:woohoo:
 

DrFever

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Well LED isn't here to post his new C02 system i guess i will post it for him
as a little mexican would say Say good by to them little pests and hello to them huge taco colas :)) amigo hahahaha well done LED
just remember be safe and make sure you text your iponic to make sure ppm levels of c02 are low before entering room , don;t want you to die on us
 

DrFever

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I'll try to post the pic appears ic having issues tonight with uploading pictures anyways lets try it again
LED now you can say your growing like the big boys :) i love it when a guy doesn't mickey mouse a grow room do it right
Go hard or go home lol well done buddy i am guessing your yields will improve by 30 percent with out a doubt and the set up wasn't to costly they way i told you huh ???
 

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LEDNewbie

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long fucking day of running around. Got everything up and running now. Fucking room is like a sauna now!!:laughing: Temps are now 82-88, humidity 60% and co2 1200-1300ppm.

Only thing I notice running these high temps and humidity is I get some sweating where the floors meet the walls on the opposite side of the lights..... If anyone has any suggestions for this let me know. Worse case scenario I'll have to mop up floors everyday until end of stretch when humidity and temps gets dropped down.... Open to suggestions...
 
I am facing some gnats right now too, same deal, from outside soil. Always fun. I think I've beat it tho, I saw no flyers at all today. We shall see!
 

medicalmj

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What was your method for killing those little fuckers?

For +-$20 you can buy a couple million or so nematodes that prey on fungus gnats. Highly recommend you go that route, works great in soil and soiless (stuff like ProMix) media. I'd buy about 3 packs for your set up. Repeat a couple times over about a month and you'll be done with them.

Or you can go nuclear with some neonicitionoids.
 

LEDNewbie

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For +-$20 you can buy a couple million or so nematodes that prey on fungus gnats. Highly recommend you go that route, works great in soil and soiless (stuff like ProMix) media. I'd buy about 3 packs for your set up. Repeat a couple times over about a month and you'll be done with them.

Or you can go nuclear with some neonicitionoids.

was looking into those, they actually work? any idea where those can be purchased? Also you ever try "Hypoaspis miles"
 

LEDNewbie

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SO turns out PK is one sensitive BITCH!!:laughing: Cranked room temps up to 88, Co2 at 1200ppm and humidity was a constant 60%. Exaust would kick on every hour to cool room down, co2 would replenish and this cycle repeated itself for 18 hours.

Checked on girls this morning and they were not happy with the increased heat. I'll be backing heat down to 82 degrees. Leafs were showing some cupping. Problem with backing heat down is now the time inbetween the exaust turning on/off to cool room down will be cut back dramatically. Most like 15-20 minutes. Witch now means Co2 will be getting exausted out more frequently.... I'm going to turn co2 down to 800ppm and see just how long this 50lbs bottle will last. If it will still last 1.5-2 weeks then it will still be worth running. If it only last 3-4 days then I'll have to probably scrap the Co2 project until if/when I decide to run a sealed room with A/C. I would have run a sealed room from the get go but trying to stay under this 93 KWH daily usage is proving to be quite tough.

I wonder if there some kind of calculation that can be used to roughly figure out how much electricity a mini split heat pump would consume keeping 3000W of lighting cooled down??:dance013:

Will snap some decent pics when I go to feed my girls in 30 minutes
 

LEDNewbie

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Ok, a few pics of the ladies..... Group shot, a pic of the smaller girls and one of the bigger two and a pic of the girls under T5 lighting. As you can see bigger plants are almost double the size of the smaller ones, witch is why I decided to veg for another 1-2 weeks.....
 

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What was your method for killing those little fuckers?
Mosquito dunks and sticky traps, but they don't seem to like my traps, at all. 0 in them. There are no more fliers tho, so, I think I have beat it!
For +-$20 you can buy a couple million or so nematodes that prey on fungus gnats. Highly recommend you go that route, works great in soil and soiless (stuff like ProMix) media. I'd buy about 3 packs for your set up. Repeat a couple times over about a month and you'll be done with them.

Or you can go nuclear with some neonicitionoids.
I want to try this out.
SO turns out PK is one sensitive BITCH!!:laughing: Cranked room temps up to 88, Co2 at 1200ppm and humidity was a constant 60%. Exaust would kick on every hour to cool room down, co2 would replenish and this cycle repeated itself for 18 hours.

Checked on girls this morning and they were not happy with the increased heat. I'll be backing heat down to 82 degrees. Leafs were showing some cupping. Problem with backing heat down is now the time inbetween the exaust turning on/off to cool room down will be cut back dramatically. Most like 15-20 minutes. Witch now means Co2 will be getting exausted out more frequently.... I'm going to turn co2 down to 800ppm and see just how long this 50lbs bottle will last. If it will still last 1.5-2 weeks then it will still be worth running. If it only last 3-4 days then I'll have to probably scrap the Co2 project until if/when I decide to run a sealed room with A/C. I would have run a sealed room from the get go but trying to stay under this 93 KWH daily usage is proving to be quite tough.

I wonder if there some kind of calculation that can be used to roughly figure out how much electricity a mini split heat pump would consume keeping 3000W of lighting cooled down??:dance013:

Will snap some decent pics when I go to feed my girls in 30 minutes
And sir, this is why we use AC with CO2 ;) I'm sure it could be calculated, one thing tho, doesn't your veg room cycle air into the flower? If yes, which I think it does, count the wattage of the veg too. I imagine you'll need a 2.5t minisplit, being you are also cooling ballasts, but maybe that is a bit pessimistic. There is a thread on here re calculating BTU load, but converting that into kWh will be above my head due to climate, etc...
 

LEDNewbie

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Was thinking about this whole co2 and a/c situation and then remembered that I have an almost brand new window a/c unit sitting in my garage. It's this unit here http://feddersusa.com/AZ7Y18F7A.html

Do you think this is large enough to cool my room? This wouldn't cost me anything except time to figure out if I can run a/c and stay under 93kwh daily limit. Let me know what you guys think.
 

Rolldaddy

Member
To calculate how much electricity an ac uses depends on it's seer rating. Minisplit is more efficient than window units and they don't leak air or smell out like window units can.

2 ton 24000 btu would do the job. 2.5 ton would be better though. Each unvented 1k light is about 5000 btu of heat.

Running a room with ac and co2 is great. But if your close to your daily watt consumption ac will be tuff.
 

LEDNewbie

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NO pics, sorry. Working tomorrow during lights off period. SO will snap some pics on Tuesday. Been running 17/7 light schedule for the past 3-4 days. Just reduced it to 16/8 and will run that most likely 3-4 days and then will flip to flower. Measured plants on Dec 30th and they were on average 23-24 inches from the ground to top of plants. Measured them yesterday and they were 27-28 inches from the ground. So about 4 inches of growth. Not sure if thats good or bad for 5-6 days of growth but it is what it is:moon:

My goal on Tuesday is to place scrog table on top of girls to assist me in getting them a little more spread out as the middle of the plant is having trouble getting light do to all the tops forming and all the leafage:biggrin: Guess I'll snap some pics once I get the table in place. I think I'll probably only get half the table coverage the Doc got on his 5x15 table but figure I'll just through them into flower and hopefully they fill out the table a bit more???? We shall see what my first grow brings me. If I can get them to have a nice healthy flowering period and they finish up without too much drama I'll be happy for my first grow:tiphat: Then I'll have to step up my game for the second grow:dance013:

Been keeping canopy temps between 77-81, humidity at 60% and Co2 between 800-850ppm. Tomorrow I will increase Co2 to 950-1000ppm's and let it run there until the bottle runs out. Then I'll know roughly how long I get from a bottle and if it's worth using or not.

Thanks for following along everyone, as always your input is greatly appreciated and wanted:thank you:
 

jackmayoffer

Member
Veteran
Ok, a few pics of the ladies..... Group shot, a pic of the smaller girls and one of the bigger two and a pic of the girls under T5 lighting. As you can see bigger plants are almost double the size of the smaller ones, witch is why I decided to veg for another 1-2 weeks.....
How long have you been vegging your plants for?
 

jackmayoffer

Member
Veteran
5 weeks Jack, first couple weeks all 12 plants were under one Gavita turned down to 600W. Then slowly increasing wattage. Then added 2nd Gavita as plants out grew space.
The plants in the pics above where vegged for 5 weeks? Maybe its the pics but they look small? when you turned your temps up and your plants started to droop its beacuse you have to slowly do it over 3 to 5 days same with lowering your temp CO2 Does no good if your not at 85 degreese in veg I have done many of trail and error.If you where in coco with CO2 those plants vegged for 5 weeks would be monsters ... You will know when you have your room dialed when you come in and your plants will explode with growth..JACK
 

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