Algae spots on gunite

joelc73

Active member
May 20, 2019
40
New York
Hello

I’m hoping for some help. I have developed small algae spots on the Gunite of my in-pool spa. The pool is saltwater. I’ve shocked the spa, but still cannot get the algae spots off of the gunite.

Any thoughts would be great! Thank you
 

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Here is our stain guide, which includes how to identify and remediate stains...

 
Thank you. Is it worth trying Algeacide?
No. Will do nothing for stains. Algaecides are not needed in normal or abnormal pool care.

Print out the stain guide I linked and follow the testing procedure. Figure out what the stain is, then follow the advice in the guide, or the linked articles.
 
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