Thanks you for the input. I'll post pictures of my project soon.

I've framed a small cabinet and was going to use the black/white material, but plywood would add some strength for hanging my intake / outtake duct. I think I 'll use a 50/50 mix.

Darkroom louvers ? please explain.
sochack Reviewed by sochack on . HydroHut DIY I'm on a mission. I'm interested in building a homemade Hydrohut. Please submit your ideas & pictures. How can I create a light proof intake duct for fresh air ? I would assume I would need to make all holes light proof...... Rating: 5