Hi I have read your posts with interest.
Here is a Digimeter tester I am thinking of ordering in the UK - any comments would be appreciated.
http://www.poolstore.co.uk/ishop/691/shopscr414.html
ALSO
anyone heard of this plastic basket metsals dispenser 'POOL WIZARD'- any good for residential chlorine pools?
http://www.poolwizard.net/
Dave