On Sun, 26 Sep 2004 01:36:02 GMT, raden wrote:

I would have thought you would have known such things. I have no idea
what mine cost, but they're not cheap.

For a one-off, those cheap pumps that are driven by a drill are sufficient.
Rubber vanes in a plastic case. They build up sufficient pressure to push
through a bit of crud. Mine at least reverses well enough, littel arrows
notwithstanding, so you can cycle backwards and forwards to get all the littel
pipes clean.

There is also enough pressure to pop carelessly secured hoses off, spraying acid
all over the place.


Thomas Prufer