First Time Grower, 400w + cfls

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kngpedr

Member
my fan , filter and ducting finally came so ive got that up and running. its a 440 cfm( room is around 50cf) fan with 6" ducting and a carbon filter hooked up. ive got a comp fan hooked up to a piece of duct as my intake(the glowing blue thing on the door). i have 2 fans in there 1 oscillating( one in the corner ) and one stationary one on the slats holding the fan. the air movement seems a little intense to me but im not sure.
 

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Triple S

Triple S

Active Member
That´s a hell of alot of light going out and that tube going out the window will blow your cover. That´s about the security

About the grow you will not going to make more than 35-40% RH and you need some more for veging

Good luck
 
K

kngpedr

Member
ive got the light problem solved, ive "sealed the cracks with black plastic, you cant see the tube from the window i have it hooked up to a exhaust pipe that is flat blacked. with the blinds closed it looks like nothing.
 
K

kngpedr

Member
about the humidity, what are you judging that on the size of the closet and the amount of light, just curious cause i was actually worried about to much humidity. the closet is about 80% underground( my apts in a basement)and i was thinking the heat from the lamp against the cold earth would cause moisture build up. i could be way off though. i can get a small humidifier if i need too.
 
Triple S

Triple S

Active Member
in my opinion and from my experience you will go dry becouse of the suction power of the fan. you really want to change the air from the grow room once every 2 minutes. you said that the room is 50 cf and the fan is 440 cfm ... let cut some 90 cfm from the fan becouse of the filter and you will change the air in the grow room 7 times a minute ... if you have small humidity in your house you will get even more dryer in the grow room.
 
Triple S

Triple S

Active Member
don´t spend your monney in wind
wait to see what hapends after the seeds sprout. in the fist few days you can keep the seedlings under clear plastic cups while you get some more humidity in the grow room.
 
K

kngpedr

Member
well i got the humidifier now, and i can use the timer i have for the light until flowering time so i think im going to run the fan on a cycle maybe 15 mins every hour or so ill have to adjust as i go.
 
K

kngpedr

Member
woot woot woot, 3 seeds sprung their tap root today, so i got them in some light warrior under 2 18w flur tubes in a little box i made. the other 3 seeds look like they could pop tonight. im super excited, ill post pixs when all 6 are in soil and i have some sprouts.
 
K

kngpedr

Member
all are out of the ground now. the grapefruit (middle picture) got stuck in its husk so one leaf is a little jenky, and one kush(under the cup) is about about a day behind her sisters cause she was late to pop her tap root. i have the lamp 1.5 feet from them atm , and im trying to keep the humidity over 50%. i have the fan on them is it to early?
 

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Triple S

Triple S

Active Member
now you don´t need the fan unless is geting to hot in there

they look nice
take kare with the watering. don´t drown them

Good Luck mate

i´ve FIM´ed my babes
update in 5 min.
 
dannyboy602

dannyboy602

Well-Known Member
kngpedr said:
ok heres my set up so far. as you can see im a ways off from germing but here's my specs so far. its a 3'x3'x4.5' closet. ive flat whited the whole thing, and put plastic on the "floor". got a 400w mh/hps and 4 cfls 6500/2700 for the respective cycles.my fan and ducting have not yet arrived, they will be installed on the shelf above the hood. the ducting will be run through the door, with the exhaust in a window not pictured. I included a picture of the germ box i made. i have two 18w flurs in it , with a rewired comp fan to draw air through. any and all tips and suggestions would be super helpful.
Click to expand...
you have a very limited space. which is perfect for containing co2. idk know if the bucket thing will be enough to get your ppms up to 1200, but even at 600 or 700 you'll notice a dif in the end product. but the only way to know for sure if it IS enough is to buy a monitor for co2. a couple hundred bucks but you need accurate instruments to make accurate decisions.
 
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