Heating Mantle filler? RBF a little too small for mantle.

[qma]

This is now a sand bath thread

http://www.orgchemboulder.com/Technique/Equipment/Communityequip/Heatingmantle.shtml

1.4H: Water, Sand, and Oil Baths

http://www.crscientific.com/properheating.html

The Sand Bath - An Alternative to the Oil Bath

Added to my arsenal. Thank you future