exhaust

OK so i'm making a closet into a simi-stealth grow cab. Top is for veg bottom is for flower as it is a bigger space. IT's an open closet on the front. My plan was to seal the inside with white plastic to insure air tight, then take a sheet of plywood and cut to fit snuggley into the open whole...

Hello all, thank you to anyone reading this :thumb: I have been having serious difficulties with my Medicine grow box -- mostly because of choices that I have made! But I am stuck with those choices now, and still trying to march onward. Originally this project was to help save me money in...

I'm currently using a cfl/led combo for my grow, and it's working like a charm so far. For my next grow, however, I was thinking about switching to HID's. Going with a standard AC reflector connected to a carbon filter on one end and 450 CFM inline exhaust pulling on the other end and pushing...

Ive been growin for a while, but never used co2 enrichment. I have a great intake/exhaust, so co2 is at 3-400ppm, approx. I know i would have to make sure the exhaust is off when co2 is on, but how about the intake?:hmmm: Would this be better/higher c02 levels? Anyone with exp help me out...

I am planning my first grow area. It will be under the basement stairs. Single 250W HID and 2 to 4 plants in soil. I was wondering on two possible exhaust / scrubbing solutions: 1. Take two $14 bathroom ceiling fans (4 sones / 50 cfm) from HD, mount two $12 carbon screens in front of them...

Hello everyone, I am planning my grow room as seen in the picture (it's 2.5 x 5 meters in total). The air intake and exhaust CANNOT be moved or exchanged, these are the only places they can be. Blue is for air intake (venting on ground level), the air stream supplies both rooms. Red is...

Hello, I hope what I am asking for is not right in front of my nose but I have searched for ~3days across the internet including 420Mag site and still have not found quite what I am looking for. I have a 26x8x9(LxWxH) room that I have built and done a great job on sealing airtight and...