Bob,

I'm using Bob Smith odorless ca with the Bob Smith Accelerator with good results. Also, be careful which accelerator you use on depron.....Pacer "Zap-Kicker" attacks it bigtime. All e RC carries something called "Foam Safe Accelerator" Here is the link:

http://www.allerc.com/store/product_...&products_id=5

Good Luck!
Rick