What is the dust / dawn affect and how does it work?
Can it be done with a lighting system that has a timer built in.
Like this one
http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=28127
Can it be done with a lighting system that has a timer built in.
Like this one
http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=28127