On Wed, 13 Jul 2011 16:12:18 +0100, Mike wrote:

.... does a Compost Bin/Heap need to operate at to kill weed seeds? Ours
is at 120 degrees at the moment. Hot enough?

120 degrees what?

Kelvin - frozen to death but things can survive freezing.
Fahrenheit - that is quite warm might kill most things.
Centigrade - pressurised compost bin or just extremely dry?

--
Cheers
Dave.