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Posted by Speedy Jim on October 21, 2006, 5:24 pm
stu@aaronj.com wrote:
> Is there a recipe for making harmless smoke that would enable me to see
> the air flow coming into the attic through attic vents and out the
> other side of an exhaust fan?
>
> What would you recommend?
>
http://www.evhill.com/products/White_Smoke.htm
You could order smaller quantity thru an HVAC supply house.
It's difficult to make your own for the volume of smoke
you need.
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