Dave Liquorice wrote:
However 28sec heating oil might not be quite as purified as things
like "Parsene", probably having a higher sulphur content. I don't know
if the fumes from a heater burning 28sec would damge any plants. And
judging by the lack of other responses when I mentioned this a while
back no one else does either...


I've used it for a few years with no problems whatever.

Trev