Help to identify a probably toxic algae

[Lasse]

Hi

A friend of my have run into problem with this algae that probably is a toxic one. He is low in phosphate but the algae do not show up any similarity with cyanobacteria.

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Any ideas?

Sincerely Lasse

 

[Lasse]

Anyone?

According picture 3 - there is some valona but it is gone now according to my friend.

Sincerely Lasse