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sensisensai

sensisensai

Well-Known Member
Love that setup man. Ur ducting looks curvy... if u can do so reasonably straight runs of ducting are most efficient and at bends 2 45 degree elbows is always gonna be.most efficient. Sounds like u have enough play room as we talked about earlier to get away with it. But u may find a higher degree of control is easier to achieve the more efficient your ductwork is laid.

As for the plant.. hard to say without more info
But they look dehydrated as shit. I'm sure this isn't the case tho?
 
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Blaze23

Well-Known Member
Endur0xX said:
When I used 2 400 HPS on my first grow last year, I had to buy insulated ducting (it wasnt that expensive too!!) because I was using fresh air from outside and the ducting was always soaked until I upgraded to insulated. Since upgrading to LEDs, I use fresh air from upstairs and I have the dehumidifier running outside of my room in the basement and one upstairs in a cold room where the fresh air is coming from. My plants are happy!!

And from using the air from inside I can keep my inline fan running 24-7. In the past I had to shut it off at lights off and humidity would always spike.

Anyway, I got the insulated ducting from Home Depot and it seems like you shop there too!! :eyesmoke: it was 6'' though
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Yeah, I should've gotten the insulated ducting. I never used it before, I didn't think I needed it because my other room is fine, but this is the first time that i'm running fresh outside air through the lights in the winter. I only run my inline fan while the lights are on and I have that set on a speed controller, so I can adjust accordingly. I'll be heading to the hydro store to grab some reflective mylar and a few other things to seal up my room before I purchase my CO2 generator and controller. I figure that the mylar will seal my room up for the most part (I'll be nailing corner pieces along the corners of the room to ensure an air tight room.)
 
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Blaze23

Well-Known Member
sensisensai said:
Love that setup man. Ur ducting looks curvy... if u can do so reasonably straight runs of ducting are most efficient and at bends 2 45 degree elbows is always gonna be.most efficient. Sounds like u have enough play room as we talked about earlier to get away with it. But u may find a higher degree of control is easier to achieve the more efficient your ductwork is laid.

As for the plant.. hard to say without more info
But they look dehydrated as shit. I'm sure this isn't the case tho?
Click to expand...
I had to put a small curve at the beginning of my duct work in order to suck air from my basement. I have 2 90's at the end of the room with a 8in fan in between, other than the ends all my ducting is straight and tight for the most part, I left a little slack just in case I lower my lights. . . . As far as the plants they were dehydrated at the moment but they were droopy before. I never let my plants wilt from dehydration, but I do try and push them to the limits as far as drying up to try and encourage root growth. I think the positive pressure may have some type of effect on them???? I have no outtake only fresh air blowing in. I dont know what to do about that. I was thinking about getting a small carbon filter, connected to a 4 in. inline and blowing that air out of the room just to neutralize the pressure. I dont run my 6 in at full speed so a 4 in should be sufficient.
 
Huel Perkins

Huel Perkins

Well-Known Member
That condensation is crazy, I know we're in the same neck of the woods and my humidity levels have been 10% lately without a humidifier.
 
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Blaze23

Well-Known Member
Huel Perkins said:
That condensation is crazy, I know we're in the same neck of the woods and my humidity levels have been 10% lately without a humidifier.
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Yeah it was because of my duct work. Once I switched it, the humidity dropped down to 35%. My other rooms humidity is down in the 20's with no dehumidifier. What are the negative effects of low humidity?
 
Huel Perkins

Huel Perkins

Well-Known Member
Low humidity can cause plants to drink more water, its usually not a problem but it can cause plants to consume too much nutes along with the water they're sucking up.
 
gargantuanganja

gargantuanganja

Well-Known Member
"What else can cause droopy plants? besides them being thirsty." -Blaze23

I'd say they look like they've been watered a little too much. Just my .02, but I don't have much experience w/ soil. Just what I've been observing.

Oh, and I tried to +rep you for that bigass Buddha Tahoe OG. I've got one growing myself and I pray she's a she.
 
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Blaze23

Well-Known Member
gargantuanganja said:
"What else can cause droopy plants? besides them being thirsty." -Blaze23

I'd say they look like they've been watered a little too much. Just my .02, but I don't have much experience w/ soil. Just what I've been observing.

Oh, and I tried to +rep you for that bigass Buddha Tahoe OG. I've got one growing myself and I pray she's a she.
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I don't water them often, I go by the weight of the pot and soil moisture. I feed my 5 gal pots around 1.5-2 gallons every 3-4 days or more depending on how much they drink. It depends on what stage there in but my flowering plants drink alot more than my veg plants for obvious reasons. I water them according to how dry or wet they are. If they are super dry and thirsty i'll give them 2 gallons and same goes for one that is still heavy i'll give them 1.5 gallons or less. . . . . . Thanks man I appreciate it. I'll no longer be running the Buddah Tahoe OG. The buds are too small and it doesn't yield alot but we'll see how this one comes out because its a monster. I didn't even take clones though, its good but nothing special. I do have some BTOG x Holy Grail Kush seeds though, that I made on accident lol.
 
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Blaze23

Well-Known Member
These pics are from yesterday which would be day 16 of 12/12.

First up is the Pineapple Express.





Then the still droopy Buddah Tahoe OG I don't know what is up with this plant man.




Holy Grail Kush

Two other Holy Grail Kush's



Confidential Cheese (I love the structure on this plant, Its nice and bushy)



LSD
 
swiss210

swiss210

Well-Known Member
I had humidity issues for a min as well with my new set up. what i did was unsealed my room and pulled air from the room with my inline and pushed it threw my filter. i find in my application unsealing the room worked allot better then running a dehumidifier. Im def subbed to this tho lookin good
 
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Blaze23

Well-Known Member
Thanks man, since I switched from the window to the basement air the humidity has dropped dramatically but I've noticed (which is common sense) that when it rained that the humidity would jump up since I bring in fresh air from outside to cool the room. Thats why I run the dehumidifier, but other than the rainy days the dehumidifier isn't needed.
 
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