Lauren,
sawdust is porous and absorbs water (dampness), plus it has extremely high surface area.
Trust me. my mum is a vet. I'll let you draw your own conclusions from that.
25Gtt
Colour is one of those personal preference things, but when I got my new car, in the "colour" column, I put: ANYTHING BUT SHITTY WINE RED!
plus, wine red is not truly red, and therefore cannot claim extra speed points.