: Helo all,
: Just want to know if I can use 3M micro balloons for a filler in my end
: pours? Do I mix them with my epoxy? What else can I use to make these end
: pours light as possible?

We used them also but the pour can still get hot. After doing a endo stick in the sand coming down a wave I was glad we did them. Lots of people are fitting lite wood blocks so if you do a test to make the density of the mix the same as white ceder(23 lbs. per cubic foot) you should be as lite with the end pour.
Don