Blanket weed in an algae, usually Spirogyra, Cladophora or Oedgonium. All of these algae thrive on warm shallow water rich with nutrients and form a slimy cover that can smother a pond.
Blanket weed contol can be carried out in a number of ways:
removal of blanket weed
In a small pond weed can regularly be scooped out of the pond.
chemical control of blanket weed.
This is banned in many countries. However chemical controlos are availble in some areas.
non chemical control. The addition of copper is sometimes used, however fish and desired plants can be killed also
pond depth. Deeper ponds that minimize the build up of heat
oxygenating plants. Plants that oxygenate water can help control weed
control nutrient levels. Overstocking with fish of allowing fertilizer to run into a pond is a sure way to encourage algae growth. Reduce fish stocks, and prevent nutrients from gardening activities from entering the pond.
filtration. Pond filters that remove nutrients can help reduce blanket weed.
ultrasound devices. This method is being trialled, we suggest you consult a professional if considering this method.
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