Removing Stain in Mortar Between Coping

RobertRW

Member
May 17, 2023
5
Central Florida
Pool Size
15000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Our pool is 8 years old, we have a slate looking coping at pool edge. Between the coping the mortar approximately 3/8" wide is turning black in some places. Considering using Muriatic Acid or Bleach to remove this staining.

Anyone have any suggestions?

Thank you.
 
Our pool is 8 years old, we have a slate looking coping at pool edge. Between the coping the mortar approximately 3/8" wide is turning black in some places. Considering using Muriatic Acid or Bleach to remove this staining.

Anyone have any suggestions?

Thank you.
Got a picture?
 
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