BarryH
Member
What looks like Duck Weed covers the unused part of the Cromford Canal neat Matlock Bath in Derbyshire.
Looking at the <"growth and leaf colour">, if they are using the <"Duckweed Index"> they need to reduce the nutrients a bit and change some more water.What looks like Duck Weed covers the unused part of the Cromford Canal neat Matlock Bath in Derbyshire.
Funny you should mention that.. this is a disused mill pond at the back of our house, the water that fills it is the run off from several farmed fields, evidently packed with nutrients going off the duckweed index.Looking at the <"growth and leaf colour">, if they are using the <"Duckweed Index"> they need to reduce the nutrients a bit and change some more water.