Water Bacteria Christmas Party:You are invited !

Water Bacteria Christmas Party : You are all invited ! This may sound like a facetious comment on this Christmas blog.  It may be, but there is a serious reason for making this comment! Whilst you are all away enjoying yourselves over the Christmas break, your offices, premises, factory units etc are probably standing empty.  The wise ones will have left the heating on, slightly, to avoid freeze ups and the consequent disruption. Whilst the buildings are warm, the water in …