by Jane Puddle on 01/06/2017
by Chris Thompson on 23/09/2016
by Paul Davis on 09/09/2016So easy to use & gives results easier to monitor than gauging colours
by Mary Hardwick on 31/08/2016Variable results even when implementing exactly the same protocol. Useful as a quick test but not a reliable measure for dosing etc.
by Lynn Burgess on 20/07/2016So easy! Even my colour blind husband can test the pool now.
by Lesley Bourke on 24/09/2013