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?

there are smoke pencils squeezed they give off smoke like stuff

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.

Just get a Halloween fog machine should be on sale in a week or so

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?