NT Labs CristalClear Duckweed Control 250ml
CristalClear from NT Labs has been formulated to remove phosphates from water which is the nutrient responsible for the spread of duckweed. It therefore helps prevent the build up of duckweed when used regulalry during the growing season.
250 ml treats 4550 litres (1000 gallons)
NT Labs CristalClear Duckweed Control 250ml
£9.99Price