www.troublefreepool.com
So you think it’s mottling?Welcome!
Mottling is pretty common on darker plaster finishes, particularly gray. Causes may be attributed to poor water chemistry, subpar application/materials, or a combination of both. If you haven't already, invest in a good test kit and follow TFP recommendations for water chemistry to mitigate further discoloration. See my sig for the recommended test kit.
Search this site for mottling. Also review this article from TFP Wiki:
Plaster Installation and Maintenance - Further Reading
www.troublefreepool.com
So you think it’s mottling?Welcome!
Mottling is pretty common on darker plaster finishes, particularly gray. Causes may be attributed to poor water chemistry, subpar application/materials, or a combination of both. If you haven't already, invest in a good test kit and follow TFP recommendations for water chemistry to mitigate further discoloration. See my sig for the recommended test kit.
Search this site for mottling. Also review this article from TFP Wiki:
Plaster Installation and Maintenance - Further Reading
When I used the term mottling, I was referring to the blotchy variations in color; a symptom as opposed to a cause.
Take a look at this thread. Take note of posts by @onBalance.
Question on pool plaster discoloring
Hi all. First time poster. A year and a half ago we had our pool redone. New plaster, coping, and salt systems added. We wanted dark as possible plaster. Pool guy told us it will get modeled looking over time. Does this little normal? I tried brushing and scrubbing but nothing will remove it...
