Pre-Grow Room Setup

Star Gazer

Active Member
Hey guys, i'm in the midst of setting up my first grow room and I have a couple questions for the experienced connoisseurs out there. I'm keeping it 100% organic with a 50/50 mix of peat moss and compost, along with a small bag of worm castings a guy from the grow shop gave me. I'm also going to mix in sand for extra drainage and to make sure the roots can freely grow in the 40 litre/10 gallon pots. Anything else I should add to my potting mix?
First of all my room is quite small, only 116 cubic feet, but I want to use it to its full potential without sacrificing quality. The dimensions of the floor are 5 3/4' x 3 1/4'; the roof is 7 1/2' at it's highest point but because of the staircase it tapers down to 5.1' at the opposite end. I've included pictures below to better understand; I am going to drywall the back wall and put up poly everywhere once everything is set up.

I bought a 1000 watt HPS that I will use for flowering, and I will most likely purchase a 400 watt MH for veggin. My original idea was to split off a small area in the back of the room with poly and veg clones for the last 30 days or so of flowering. My thought behind this was that when the big beauties are cropped I can move over the smaller, veggin plants to the HPS so I could constantly have flowering plants. Now that I have the pots in the room I now realize that it would be nearly impossible to reach the back of the room with 4 bushy beasts in the way.

Does anyone have any ideas as to how I could veg clones in my room while the big guys are still flowering?....I know that I could just veg them in a separate room, but I'm trying to keep this as stealth as possible.

The pictures below show how I plan to have the pots set up; do they look too close together? Is there any rule of thumb as to how close/far the plants should be?

I have ordered a 250 CFM activated carbon filter that I will use to exhaust the air. I was thinking about wiring a dimmer switch to the fan to control it's speed. I bought a dimmer switch that says it's purpose is for 600 watt lights. Do i need to by a specific switch to control the fan? I have two options as to where this air will end up. I'm undecided as of yet whether I should exhaust the air into the sewage system, via an L-joint in the piping from an upstairs toilet, or if I should use a vent that blows air out the roof of my house. I have pictures of both options below. I am going to use a passive exhaust system so all air coming in will be through various minute cracks. Being that this room is almost directly below the front door of my house I bought a can of foaming gap filler to minimize air/smell leaks.


Any ideas, thoughts, or comments on mistakes i'm making would be GREATLY appreciated.

Thank you guys!

...The Star Gazer...


 

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buster7467

Well-Known Member
Dont vent into the sewage. Just vent into the roof. If you was not at home and you lost power to the house than when you come home the house will smell like shit and piss.
 

crazy-mental

Well-Known Member
welcome to the site, looks like youve been reading up before you start.
add some pebbles to your soil and also 2" in the bottom of your pots for drainage, for when you have to flush and for better drainage.
also get some shop flos for the seedlings a 400 will be too strong for the first 3 weeks.
and dont forget youll need a foot fot the pot, a foot for the lite, and a foot for inbetween the lite and top of the plants.
also youll need a fan blowing inbertween the lite and plants, so they dont get too hot.
plus if you cud paint all the grow room walls flat white, that would help.
and if you can try to get a timer. what lite sced you going to be using for vegg? 24/0 or 18/6.
also what strain are you thinking of.
btw nice set up so far . good luck.
when you start to grow start a grow j.
do you know what a hermie is if not, ask or look it up, its always good to know what your up against before you start.
 

Star Gazer

Active Member
Hey thanks for the quick reply, ya my friend actually mentioned to me today that I should put a couple inches of pebble at the bottom for drainage, so I will definitely invest in that. Any type of pebble in particular, or just something from home depot?

Yeah I definitely wouldn't start the babies under a 400 MH. I bought two 42 watt soft white CFLs. Still need to rig up a pop can reflector

Do I need to get a special heavy duty timer for the ballast or will any one do the trick? I'm going to veg on a 18/6 schedule because that's how nature intended it to be; you don't fuck with God. Also the guy at the grow shop said don't listen to anyone that says go 24/7.

My friend has 5 different plants that have been flowering for about 2 weeks and he's gonna give me some clones. I believe they're from the Nirvana indoor mix bag. Afghani for sure, powerplant, and that's all i can think of right now.

...and yes I know what trans mutant son-of-a-bitch hermies are.
 
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