Stain on Bottom of pool liner

3Wide

New member
Jul 31, 2010
1
This stain is forming on the bottom of my pool liner, its not any type of growth, I cant scrub it off, water has always been right on and clear. Help :cheers:
 

Pool-creetin

LifeTime Supporter
Mar 22, 2010
181
Michigan
It could be a heavy metal stain. Theres products that can be purchased that can remove them. I use one called stain free, It has worked great in the past.
First is the stains dark or black in color or get worse when you add chlorine/shock your pool? Whats your PH? You'll probably need to raise your ph before adding.
WHat is your means of testing?
 

Bama Rambler

Mod Squad
TFP Expert
LifeTime Supporter
Jun 22, 2009
22,964
SouthWest Alabama
Try a couple of things.
  1. hold a trichlor puck on it for a few minutes and see if it changes.[/*:m:1b4t36zj]
  2. If that doesn't work, hold a vitamin C tablet on it for a few minutes.[/*:m:1b4t36zj]
Let us know if either of those change it any.
 

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