Request your free Dropson calculation report, available online at http://www.dropson.com/en/crbst_17.html . The calculation software takes into account variables such as peak flow, water hardness, level of limescale and type of application according to regulations.
Dropson have also added the EMI5000 to their range of limescale treatment devices. The EMI5000 has been specifically designed to treat swimming pools and fountains for limescale. This will improve efficiency and reduce the need for expensive salts.