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Trying to identify this and find a way to fix it

Trying to identify this and find a way to fix it


  #1  
Old 03-31-21, 04:38 PM
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Trying to identify this and find a way to fix it

Hello all. I'm looking to stop being lazy and hopefully get to the bottom of my issue. I should mention I am a noob so go easy on me. About 2 months back I had my pool guy apply a cleaner in the pool (at his suggestion) that helped remove some of the darker spots on the floor of the diamondbrite. It worked pretty well however two spots got much worse in the process (see below). I'm trying to understand what this is and how I might clean it. Or what other recommendations you guys might have.

Also on somewhat related note, I've been trying to clean the tiles behind a waterfall feature I have. It has a white haze and one spot also have a build up of material (Im thinking calcium maybe?). Anyways Ive tried a pumice stone and CLR but no go. Any tips on how to best take care of it? When the waterfall is on its hard to see but not so nice looking when its off.

Thanks all!!!





 
  #2  
Old 03-31-21, 04:47 PM
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On average, Diamond Brite tends to last around eight to twelve years before it becomes spotty and starts to fade, a sign that it needs to be refinished again.
That's not too long.

How old is the pool ?
Is that a stain or missing material ?

I have a high mineral content and in particularly manganese as well as calcium in my city water.
I have an approx 50 year old Sylvan pool. High pressure cement/plaster finish. Not Gunite as that was Anthony pools patent. I need to paint it every 4 years or so. I use Sylvan Les-Iron. It's a basic demineralizer and it works fantastic.

I'm not sure if it would be acceptable with your pool finish.
 
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Old 03-31-21, 04:58 PM
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I agree. Looks like the blue has worn or been scraped off rather than a stain and the tile has dulled.
 
  #4  
Old 03-31-21, 05:12 PM
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Pool is actually 20 years old, and has never been acid washed I believe it's called. My pool guy said I can do that and it basically strips a layer of the diamond Brite off but I can only do it a few times before I'd have to redo the finish. My pool also has a screen enclosure which keeps it fairly clean

As for the stain in the pool it doesn't feel rough but may be an area that was agitated and then the cleaner material worked its way in and darkened I'm not sure. Was hoping some chemical or physical action might be able to correct the one spot without doing a full acid wash or replacement

I'm in south fla if that's relevant btw. Thanks again
 
  #5  
Old 03-31-21, 05:15 PM
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On the blue tile when I wet it the white haze goes away making me think it can be cleaned. The build up portion is also an issue. My pool guy said either carefully use a flat head screw driver or a super small amount if muriatic acid may do the trick. Any thoughts?
 
  #6  
Old 04-01-21, 09:30 AM
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I have had success removing calcium buildup from my tiles using muriatic acid. Try a 4:1 diluted solution of 31.45% acid (or equivalent) and a scrubby sponge. If that doesn't work, try 3:1. Wear rubber gloves. I would not use a screwdriver on my tile.
 
  #7  
Old 04-02-21, 06:36 PM
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Thanks all. Still really curious on the stain in the pool if anyone else has any ideas/suggestions! Appreciate it
 
 

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