> > I use a lot of different developers, including color print chemicals. I need a very simple and also cheap method of preserving them. I have found a way that is pretty much ideal, at least for my purposes.
> > Some of my friends buy wine in bulk packages, which consist of a mylar bag (that mirror plastic) in a cardboard box with a polyethylene spigot.
>
> These collapsable bags are available as you describe from any photo
> supply house.$5.00.
I think they are called Delta Data boxes $4.95 gallon size