Pond CristalClear Duckweed Control, controls the unsightly spread of duckweed in pond water.

It works by reducing the duckweeds natural food source thus eliminating future growth and helping to keep your pond water free from duckweed.

Use Duckweed Control regularly for a cleaner pond. 

250ml Treats 4550 Litres (1000 Gallons)

Dose - 10ml per 182 Litres