On Wed, 15 May 2013 09:02:59 +0100, Tim Watts wrote:


How can you be so sure that it's not caused by softener/detergent spash-
back?

You are right - it was one of the first comments made by Andrew Gabriel and I
agree it is the most likely problem. It is a possibility - my partner is going
to see if they can take the fixed unit above the conditioner area apart to see
if that is was happened.