Are there any good ways out there to coil stainless tubing without kinking it? I haven't tried yet but I have mine on the way and I'd rather not kink it and have to do it over.
use salt instead of sand if you want to go that route. it doesnt cause microscratches in the surface, and will dissolve entirely when washed out with water.
however the best and easiest thing to do is to use a tubing coiler...