Light Proofing Window AC

trapdevil

Well-Known Member
Added a 10k BtU window ac to help in the summer months, But leaks light, quite a bit through the vent where the cold air is coming in.

I run lights at night so during the day it will be way to much of a light leak to be able to flower anything.

any ideas?

can take photos in a bit
 

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coreywebster

Well-Known Member
Think light trap like a periscope but angles reversed .

How Would I Make A Light-Proof Air Vent, Please? - Instructables


Bit excessive , be better with more of an angle and matt black interior.
 
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