Will scaling lessen over time?


Well-known member
Nov 27, 2020
It took me awhile (2.5 months, really) to get a hang of water balancing (with a lot of support from this forum; thanks everyone). I am literally at a CSI of 0 today and the water looks great. However, over those 2+ months, I got a bit of scaling. Nothing awful, but noticeable on my blue plaster walls. With well balanced water, will this just remain there forever until I drain and acid wash, or will the calcium eventually re-dissolve a bit? I've hit the worst spots with a cleaner that fizzled it away, but the bulk of it has manifested as a very thin layer over much of the pool. Will time help any to bring back the true color of the plaster?


Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
Laughlin, NV
Pool Size
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
By lowering your CSI to below -0.3, you will slowly begin to dissolve the scale, if below the waterline.
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