The Difference Between Duckweed and Algae

The Difference Between Duckweed and Algae

Introduction

Both duckweed and algae can be found in nutrient rich and slow-moving or still water bodies. In many cases, algae and duckweed are found together in fast-forming and dense patches on the surface, making it hard to differentiate the two. In this blog post, we will help you identify duckweed and algae so that you can adapt your pond treatment strategies accordingly. 


Separation Test

Place a stick in your water. Duckweed or blue-green algae will generally break apart when disturbed but algae generally stays together or may sink if disturbed. If it consists of tiny round leaves (1.5-3mm), you are likely dealing with duckweed.

Duckweed

Blue-green algae

Filamentous algae

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5th Jan 2024 Pond Pro

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