On 14 Sep 2006 07:17:28 -0700, wrote:
| Most of the
|water in the UK is hard water, so the drainage cavity will start to
|fill up with limescale deposits - even more fun to get rid of.

Only in the dry South and East.
In the wet North and West water is soft.
Whichever a good cavity will be a must.
--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
method of accessing usenet. GG subscribers would be well advised get a
newsreader, say Agent, and a newsserver, say news.individual.net. These
will allow them: to see only *new* posts, a killfile, and other goodies.