so you bottle freezers..why do you do this?

i assume you do this because you want to squeeze more n20 into a bottle without reaching the pressure limit. it's not like you steal any nitrous from the refiller because a pound of nitrous is a pound of nitrous at any temperature and therefore pressure.

That is exactly the reason. When I take my bottle to get filled they put it in a freezer for me for about 30 min.

I just do whatever the shop tells me to do.
They keep mine for 4 hours.

I freeze mine before I take it to be filled. They say its better that way so I do it. Hell its in the freezer RIGHT NOW!!!!

Also, the colder the bottle, the more nitrous will go into it without the assistance of the air compressor (read: less chance for contaminants like AIR!). I got mine cold enough once to get 8.5 pounds into it before they turned on the compressor!

froze me bottle for a like 5 days..took it there in a cooler after i ran it completley empty. i filled the entire 10lb bottle without the compressor. lets just say i'll be freezing my shit from here on out.