Is this enough cfm for this room? (only half of room used for grow)

I have a 430ish cfm fan and thinking about growing a 4x9 area inside of a 9x9x7 room. The carbon filter will take away from some cfm but the ducting should only be about 4 feet worth with one 90 degree turn.

Will this be enough to keep odor out of the rest of my house and provide enough fresh air for the plants since I'm not using the entire 9x9?

It's borderline small. 430cfm is a 6" blower. It's no biggy if it's not enough. You can put a pusher fan on intake or use a 8" blower on the exhaust.

Living in an area to where smell can. not. happen. I run a 8" on a 2X4 tent. Set to the lowest speed. I had 6" blower before that. I'd notice that the grow space smelt stale. The room where the tent was set up would carry a weed smell.

There wasn't enough ventilation. It's better to overgun then undergun.

SouthCross said:

It's borderline small. 430cfm is a 6" blower. It's no biggy if it's not enough. You can put a pusher fan on intake or use a 8" blower on the exhaust.

Living in an area to where smell can. not. happen. I run a 8" on a 2X4 tent. Set to the lowest speed. I had 6" blower before that. I'd notice that the grow space smelt stale. The room where the tent was set up would carry a weed smell.

There wasn't enough ventilation. It's better to overgun then undergun.

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Yeah my last grow I finished a few weeks ago and had that same fan inside a 5x5 tent and throughout the entire grow I never once noticed odor outside the tent and even opening the tent the smell was faint but after harvesting I tried drying a few small branches out of the tent and it completely stunk up the whole house. Is weed usually stinkier after it's harvested compared to when it's still growing?

You usually wont smell it because you are around it all the time. Your neighbors will smell it though- its like body odor.

cookie master said:

You usually wont smell it because you are around it all the time. Your neighbors will smell it though- its like body odor.

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Yeah what I'm thinking is I'm already running my 440 cfm on a carbon filter with only 2 90 degree duct elbows exhausting air to a different room so I'm maintaining a decent cfm there with so little ducting attached.
Besides that I'm thinking of puting a smaller fan, atleast a booster if not a 4 inch inline fan, on my intake vent that is allowing air from the rest of my basement into this one room. It will also help with cooling, almost like an A.C., especially once winter hits because it'll probably be low 60s to maybe upper 50s at the worst in the rest of the basement.

Do you think this will be sufficient enough for fresh air for my plants along with odor control? Again it's a 9x9x7 room. Im thinking of probably using a full 4x9 canopy, maybe bleed over the 4' just a bit.

I have a grow journal in the grow journal section called "And so it begins", I'd post a link but I don't know how..