This device uses the same technology that stops bottled water from going green on the supermarket shelf. It introduces copper ions into the pond which stops the formation of blanket weed and suspended algae. The copper anode should be replaced each year.
Bradshaws Direct (UK) - suppliers of pond liners (pvc and butyl liners), underlay, pond pumps, filters, pond vacuums, fish food, water features and many other water garden accessories.
