Quote Originally Posted by cbphoto View Post
Glass bottles aren't very practical for large volumes that are gradually reducing as working solutions get partially discarded. I also don't have nitrogen and would have no clue how to get any.
FWIW, I use butane lighter refill bottles. Seems to work fine. Squirt a few seconds worth of butane into the bottle, loosely screw the cap on, and leave for a few minutes for the extra pressure to escape the bottle. Then tighten the cap all the way and you are done.