Black algae staining

Ddu4taz

New member
Jul 10, 2024
2
Harrow
Pool Size
900000
Surface
Vinyl
Chlorine
Liquid Chlorine
Anyone know how to get rid of black algae staining? I’ve tried jugs upon jugs of chlorine, super shocking, stain remover, eliminator, metaban to name a few
Thanks
 
I doubt that it is black algae.

Can you get close for a better examination?

Black algae is not really algae, it is a type of bacteria called cyanobacteria.

It is very similar to black mold.
 
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