I had Friday off, so I had an extra day to work on my grow room. Since last year, my ventilation was really lame. but today I came up with a super IMO system.
I have a 30" X 66" entry, which was closed with a 'light blanket'. I've replaced this with a removable 'cardboard' insert and a 20" box fan. The box fan has a light shield that lifts when it starts and closes when it stops, so stray light is contained.
If I can get my scanner to work I'll show a pic.
My herbs are well along now so I only look in every 4 -5 days.
I have a 30" X 66" entry, which was closed with a 'light blanket'. I've replaced this with a removable 'cardboard' insert and a 20" box fan. The box fan has a light shield that lifts when it starts and closes when it stops, so stray light is contained.
If I can get my scanner to work I'll show a pic.
My herbs are well along now so I only look in every 4 -5 days.