"mike" wrote in message
...

"pollocmc" wrote in message
ups.com...
a spray of path-clear is more effective

My thoughts as well, but swmbo wishes to minimise the use of chemicals.

My worry is that there is (useless !) membrane underneath the gravel,
which
I can see catching fire
You aren't suppose to fry the weeds to a crisp, but lightly singe the thing
to discourage it. It is useless.If you are anywhere near me in Wisbech you
are welcome to borrow mine for a few weeks to see what a load of rubbish it
really is.