On 16/08/2013 09:34, Stephen Wolstenholme wrote:
On Thu, 15 Aug 2013 13:15:34 +0100, "Muddymike"
wrote:
How does this work then?
http://www.lidl.co.uk/cps/rde/SID-6F...Detail&id=4816
What pointless rubbish.
You could use it to determine when the shower was running at the right
temperature, sometimes just waving a hand in it can give a false idea
of the temperature. Of course it depends on how well graduated the
colour changes are.
--
Phil Cook