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 keeping your pond water free from increased levels of duckweed. Use Duckweed Control for a cleaner pond.

250ml Treats 4550 Litres/1000 Gallons

Winner of the 2010 PATS Retailers Choice Award for
"Best Water Gardening Product"