In article ,
Chris Hogg wrote:

Chemicals won't do the job; only steam would.

By implication, you need to sterilise significant quantities. For
small amounts, say one or two seed trays, I use a microwave, but you
must be aware of that option.

Yes, and it stinks, which does not please SWMBO. Nor me, actually.


Regards,
Nick Maclaren.