"Geo" wrote in message
...
On Sun, 17 Aug 2008 18:15:06 +0100, The Natural Philosopher wrote:

..isn't that the soft ****e you cut with a saw?
That's the fella

I used proper concrete blocks and steel ties between every one.
I can't visualise that?
I was going to use the blocks on their side so 8 1/2" thick.
Had thought of drain holes but not of gravel.

Same site you linked to has a french drain
http://www.gardenadvice.co.uk/howto/...ain/index.html