by PETER GALLICHAN on 05/11/2018
by Alan Bye on 30/10/2018good product for effective control of algae over winter
by Graham Fairley on 22/09/2018Best I've found to date. One dose every 3 months does the trick. Perfect.
by George Statham on 20/09/2018
by Paul Nicholson on 01/09/2018Used it last year and water was as clear as it could be
by Cassie Maycock on 15/01/2013