I am going to vent straight up through the roof, am I correct in assuming that the smells will go straight up in the air and not downwards. If this is the case I wont need to clean the exhaust air.

Can anybody advise if this is correct?

Thanks for lookin

sounds like a good plan. i mean there is a possibility that someone could get a wiff of it...but whatever.
i grew 4 plants ontop of my house...no one ever noticed.
also a carbon filter couldnt hurt...only add more security

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For Educational Purpose Only

Ummm ... some strains of mj smell to the High Heavens. Other's smell like Hell. You know in what direction Hell is located, right? Yeppers ... right down to the ground where the meter reader, gardner, mailman, etc walk. If you want to be stealthy, get a carbon filter. I mean ... why not be safe?

Vi

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Liberals are people that will believe anything twice.

Thank you

I was just of the opinion that hot air rises so I thought it would only go up.

how much does a carbon filter set you back?

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Their not too expensive but I just wondered if it was wasted money

What we do is not legal. Remember that. I'd recommend the carbon filter.

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Get your SCRog on!!!

Good point, yes i would use a carbon filter just for more security