Indoor 400 Watt attic grow

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Whats up mates??? I am going to start my grow journal here. I will give a brief description of what/where my grow-room is and other setup details.

My Grow Box - The grow box is 4.5' x 4' and is in my attic. The height of my box tapers from 4.5' to about 12" at the top with a total hieght of about 5'6". The box is framed out using the existing trusses in my attic. I framed the box using 3/4" board as my outer walls and insulated with r60 then put up sheetrock on the inside. I covered the sheetrock with white panda film. I ran a seperate 30Amp circuit strictly for my growbox.

Ventilation/Exhaust - I will be running an air-cooled 400Watt HPS/MH Lumatek electronic ballast. I have 2, 6" fans on the exhaust. I also will be using a filter when the time comes. I run an active exhaust with a passive intake. My exhaust systems is as follows : Filter---ducting---hood---ducting---6" fan---6' of ducting----6" fan. My intake is a semi active/passive system b/c I am taped into my main hvac system with 2, 6" lines ran into my room ( 1 on each side of the grow box at the bottom ). This system acts as a active intake when my home AC system is running b/c the 2 ducts in my growroom blow as hard as any other vent in my home. I have a very strong negative pressure inside the grow box. If Im smoking a J outside of the room the smoke gets sucked into the room and into the filter. My temps stay between 65-85. I have to use a space heater that is on a timer to help controll the temps...I try to keep an average of 75 degrees.

Plants - I will be growing 4 Auto - DNA Genetics 60 Day WONDER and 1 Auto Dinafem Critical Jack. I will also be vegging 3 reg feminized seeds that I will be putting outdoors when they are well established.

All my seeds germinated and I planted them on Saturday! ALL the babies popped the soil yesterday so yesterday is when I started counting my growth cycle. We are in DAY 2.

ready.jpg
 
I would put one of the fans right at the filter when you use it and just use one for now to save the life of the fan and power usage...$$$......Good luck with the grow bud will be watching
 
before I sealed my room and added supplemental co2 ''best choice I ever made'' I was using just one 8'' 780cfm inline fan with 3 1000 watt 8''raptor hoods a 36x16 carbon filter and ducting and it worked more then well in a almost 10x10 room. I did not have one for intake either just cut a hole in the door and put a furnace hepa filter for intake filter....you also might want to make sure you have a good filter either in a/c or at the ducking where its coming into your grow because the a/c can carry spores and other unwanted bugs etc into your area...just a precaution trying to help you out from mistakes I made before
 
Thanks for the concerns ThinkDifferent!

I MUST use 2 exhaust fans to create the negative pressure that my room needs, especially when my home a/c is running. I have been running this exact setup for over 16 months now. This is my fourth grow cycle with this exact setup ( 1st ever run with auto seeds). I had alot of people telling me this would not work in the attic due to heat and other issues. I have not had any problems as of yet.

I have not had a problem with my A/C blowing bad particles/bugs into my grow room either....I appreciate all your concerns and tips tho, keep them coming!

Check out my other grow logs on Greenpassion.org
https://www.greenpassion.org/index.php?/topic/32478-mkage-and-white-widow-grow/
and
https://www.greenpassion.org/index.php?/topic/32478-mkage-and-white-widow-grow/
 
DAY 7!!!

Whats up Guys!


Everything is going great. I repotted my girls and potted them up to the leaf line! I put the entire starter stem in the dirt. The 60 Day wonder are starting off a little slower than the Critical Jack Auto!!

Everything is going great! My light has been about 18" away from the tops of my pots! I have not had a chance to go get more ducting! I cut my ducting shorter during flowering off my last grow and have not had a chance to replace it. I will be replacing it tomorrow. I will be able to put the light hood about 5 inches away when I get more ducting!!

Pic Update: Early morning of Day 7!!!

1 60 day wonder plant sprouted its birth leaves and then stopped growing. I threw it out! So now I only have 3 60 day wonder and 1 Critical Jack Auto that I will be running indoors! the 2 plants in the 1 pot will be going outside within the next week! Just getting them a good start indoors!! These are my 1st outdoor plants. I hear they get huge so we shall see! I will be putting them inside a huge group of Azaleas I have in my back yard. That should camo them pretty well!!

UNTIL NEXT TIME,
SMOKE GOOD!
 
DAY 10!!!

Whats up mates? Everything is going good! I installed more ducting so now the light hood is about 6" away from the tops of the plants!


ALL 3 of my "60 Day Wonder" plants are growing extremely slow compared to the other auto I have ( Critical Jack ) and the other 2 reg fem plants. Is this normal?



I hope they kick it into high gear here real soon!!!


UNTIL NEXT TIME,
SMOKE GOOD
 
Day 14!


Im not really sure what to think of these 60Day Wonder right now. Only those 3 plants are having issues, Im starting to think its their genetics b/c all 3 of them are growing at the same rate and all 3 are growing alot slower than the other 3 plants under the same light.


I guess I will just wait and see. I do not see how these autos are going to finish in such a short time, especially the 60 Day wonder ( they apparently only have 46 days left, NOT HAPPENING)

Pic from morning of day 14 :
middle row, right 60 day wonder is sorta droppy.....lol Im just nervous b/c I DO NOT KNOW what to expect with these autos



PLEASE LEAVE FEEDBACK!!! THANKS MATES
 
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