Plaster issues (different texture and color) from time of construction - ideas on what the cause is based on these photos?

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u153

New member
Nov 2, 2023
4
South Central US
There are these various light spots in the plaster, and after partially draining just recently I noticed they have a different texture too. I've attached some zoomed out and zoomed in photos. Any ideas what would have caused this? Some areas have very little and some have a lot more. Also any cause for long term concern or remediation that should be done aside from the cosmetic aspect? Thanks!

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Welcome to TFP.

What is the plaster manufacturer and type that you selected to be installed?

How old is the pool and the plaster?

What was the plaster startup[ process for the first 28 days?

Was any acid washes done on the plaster?

@onBalance may have thoughts.
 
ajw22 said:
Welcome to TFP.

What is the plaster manufacturer and type that you selected to be installed?

How old is the pool and the plaster?

What was the plaster startup[ process for the first 28 days?

Was any acid washes done on the plaster?

@onBalance may have thoughts.
Click to expand...
I'm not sure what manufacturer was used unfortunately as I wasn't involved in that level of detail with the builder. It was finished being built and plastered ~1 year ago. The plaster startup process was water was added the same day as plaster was done and there was regular brushing and I believe ensuring the pH was kept in range. No acid washes.
 
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