Plaster Repair, and stain removal while draining pool

May 6, 2017
I'm in the process of draining my pool per the recommendations in this previous thread: New pool owner really high CYA and CH what should I do

Draining the pool has made me realize that the "weird spots" on the stairs are plaster damage that will spread if I don't repair them. Is this something that I can fix myself or should I call in a plaster company to fix it?
View attachment 60732
There are two spots like this on the stairs that I would want to repair.

Additionally I have some staining around a couple of my return jets, and gray staining all over the pool. Any advice on what it is and how to remove it?
View attachment 60734 IMG_6153.jpg



Mod Squad
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Aug 10, 2012
Ok, we'll need to see some test results then on that. The last few sets of test results would be best.