> As for pumps? I take some plastic left over from bags that ceramic
> use to cover clay, rip up one bag a piece of plastic about 6" x 6" and
> it around the end of the pump when the pump will sit unused for any length
> of time. Then I take masking tape and tape around the pump. At the end
> the semester, I'll store them that way, and they are ready to go believe
> or not the next fall...surving the summer storage.
Another trick I actually learned way back when Chromacyll was being
introduced was to 'plug' the pump's mouth with vaseline. It's always worked