cracks and algae

tshelton75

Member
Jul 15, 2023
10
Albuquerque NM
Hi
I am new to the forum and pool ownership.
No idea how old our pool is, the pump was made in 2015, but the pool seems older than that.
I see this algae spot under the spillover wall of our spa, which I can clean up with bleach and a brush, but why is it growing there and how do I fix that?
Is there anything I can use to seal those cracks? I dont see any cracks inside the spa, but water is coming from somewhere.
After reading several similar posts here on TFP I am going to look closer at the spa interior, but the spa level doesn't drop enough to notice overnight and in the off season the spa seems to hold water fine.
Curious about your thoughts and experience.
Thanks!
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Looks to be efflorescence. The article below helps to describe that more. Unless you do some serious renovation or exploratory work on that ledge, you may have to just clean it periodically as necessary.

 
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