May 2nd – There are many reasons why the local canals develop an organic, natural scum throughout the year. From pollens to seeds, from tree-mast to algae, all kinds of unpleasant looking but natural detritus develops and dissipates throughout the seasons.
Due to the early spring warmth and extended spring, at the moment there’s a very heavy scum on much of the local canal, but particularly in the wind-traps around Walsall Wood and Clayhanger. At he moment it’s mostly appearing to be a combination of reedmace detritus, algae, sallow seeds, disintegrated hazel, alder and birch catkins and hawthorn blossom petals. I’ve never seen a scum so heavy at this time of year.
Given time and sun it should dissipate and fade away. but for the moment, it’s quite ugly but perfectly natural.
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