Yamitsu 30watt Algaemaster uv
This reliable 30watt ultraviolet will clear the algae on ponds up to 15,000 litres. Made in Great Britain using quality materials by Kockney Koi, it is proven to be effective and reliable. Two stepped hosetails provided and wall brackets. When mounted immediately before your filter whether gravity or pressurized it will solidify the algae from suspension and allow the mechancal filter to extract the algae, producing clear water.
Sensibly priced at £112.99 including vat and carriage on mainland UK