A pond full of duckweed; a suffocating situation that can lead to odor problems and even fish deaths. Where there is a lot of duckweed for a long time, the aquatic environment becomes unbalanced.
Biological balance disrupted
Only decomposition still takes place under the duckweed cover, which causes even further expansion of the duckweed cover. This ultimately negatively affects the ecological system and the recreational value of a pond or water feature.
Duckweed is a collective term for small floating plants that can completely cover water surfaces in a short period of time and is found mainly in nutrient-rich (stagnant) water in ponds, canals and urban ponds.
How to get rid of it
If the pond is full of duckweed then removal is the only option, which can be done manually and – in large ponds – by machine. In large ponds and canals, bottom sludge removal is an option, the ideal breeding ground for duckweed.
Controlling duckweed
By introducing current into stagnant water, duckweed is easily carried, as it does not attach to the bottom. This combats new growth and makes removing existing duckweeds easier as they all float towards one place.
Open spaces on the water are created again and light can once again penetrate places where duckweed no longer floats, aquatic life can develop again.
Setting water in motion, without requiring much energy; this is possible with FLOW floating propeller mixers. The compact devices are easy to install and “plug and play.”
FLOW mixers also provide temperature reduction and anti-layer formation in larger water bodies, restoring water vitality and preventing excessive algae growth.
You can read a great example of how the duckweed problems were addressed at the Gro-Up office complex in Berkel en Rodenrijs here.
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