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Mystery pool stain and conflicting "experts"

Mystery pool stain and conflicting "experts"

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  #1  
Old 08-09-20, 11:07 PM
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Question Mystery pool stain and conflicting "experts"

Hello all,

I'm a wanna-be do-it-yourselfer trying to figure out if I should (or even can) de-stain my 1,560 ft3 fiberglass pool or paint it. Here's my dilemma:

First, what the heck is this?






This pool has been empty for about five years. I had it acid washed when I bought the property in 2007 but drained it after three years of little usage (with the intent to someday fill it in and convert it to a putting green remarkably there are no lumps or cracks). The stain has been there since the pool was drained. It was textured and threw off a lot of powder when rubbed. After a recent chlorine wash the surface now feels smooth and clean and it appears this is a discoloration of the fiberglass itself. However, when I rubbed a spot with nothing but a wet rag I was able to remove about 50% of the upper (lightest) of the four layers which can be seen on the left of the first image (again, this was after the professional chlorine wash). But even using an SOS pad had very little affect on the middle or bottom (darkest) layers. The pool guy now tells me there's nothing more that can be done to lighten the stain*, but I'm finding so many products and methods that can supposedly remove any type of pool stain that exist (usually one product per specific stain type, but some claim their single product is a pool stain panacea). Everything I find online that looks like this stain is either on a different surface type or only explains what to add to the water of a filled pool.

So, is there anything I can rub on a dry stain of this type to remove it?

My challenge with learning how to paint it is that so far I've read 10 online articles and asked the guy down at Leslie's and five say I need a primer coat before applying the epoxy pool paint, four say I only have to lightly sand it, one claims I only need to be sure its clean, and one instructed me to get another acid wash first to "help the paint stick".

So, on a fiberglass pool in this condition, do I need a primer coat or light sanding?

And finally, Im in Las Vegas where it's going to be over 100 literally every day for at least the next 4-5 weeks, and 112 is predicted for next weekend when I planned to do the job.

So, what happens when you paint epoxy on the same surface you could fry an egg on?

Thanks guys. I appreciate any guidance you can offer.

Len

* But says he'll paint it $1,200.
 
  #2  
Old 08-10-20, 12:29 AM
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Welcome to the forums.

I don't know for certain what would clean the fiberglass but I do know about pool painting. With heat that high I'd be wearing an oxygen mask..... depending on the depth. The fumes from epoxy paint will knock you out. You will need to thin the paint and apply it before the sun hits it.
 

Last edited by PJmax; 08-10-20 at 07:48 PM. Reason: typo
  #3  
Old 08-10-20, 05:53 AM
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Before you consider epoxying your pool you need to carefully read ALL of your product's instructions. Epoxy is very temperature sensitive so I would pay special attention to the temperatures needed for application. I imagine you will have to work during the night or wait until temperatures cool.
 
  #4  
Old 08-18-20, 04:14 PM
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Angry Did I get Scammed?

Hello, folks. Well, here's my dilemma (which gets worst near the end)...

I recently posted some images of a huge "mystery stain" that covered most of all four sides of my pool (reattached here). This is a stain that still remained after I had paid a professional pool cleaner $400 to perform a "chlorine wash" which included the use of a wire brush to remove the crusty brown substance that covered the stain (which through off a thick powder when rubbed by hand). I was told that there was no guarantee that all of the stain could be removed but was explicitly told that some amount would but since they didn't know what kind of stain this was we would have to wait and see the results of the chlorine wash to determine if it was effective enough to avoid having to paint the pool which he said he would do for $1,200. Well, the first wash resulted in about a 5 foot section where the crusty brown stuff had been completely removed (leaving the surface very smooth) but mostly still remaining everywhere else (other than a few small random spots). The stain was completely unchanged. After sending him a video where I demonstrated how the stain could be reduced somewhat with some scouring powder and a wet sponge, and how the crusty brown material was still covering most of my pool he sent the same person out to work on it some more. This resulted in the crusty stuff being completely removed (which proved it simply wasn't done the first time) and the upper, lightest band of staining being reduced slightly but still having no effect on the darkest, ugliest staining. After protesting that I had essentially paid $400 to have one garbage bag full of leaves removed and a thin ring of mud around the drain mopped up (which I could have easily done myself in about 20 minutes) he reminded me that he never promised they could remove the stain and this was the best they could do.

Turns out, it wasn't.

As a last resort, in the hopes of possibly avoiding a $1,200 paint job, I went online to research fiberglass pool stains to see if there were any other potential options (which is why I posted the images here and on a couple other forums). What I discovered was that this was an iron rust stain which, as I understand it, is among the most common types of pool stains, which can be entirely removed with ascorbic acid (vitamin C) which, as I understand it, is universally recognized amongst pro pool cleaners as the definitive solution. So after finding a pint bottle of ascorbic acid left by the previous owner (so is at least 13 years old) I added about a tablespoon to an 8 ounce glass of water then splashed it onto the side of the pool then watched the stain completely disappear in a matter of seconds. I didn't even have to physically touch the side of the pool, let alone rub or scrub it with anything. I've since learned I didn't even have to do that. All I had to do was refill my pool and dump about a pint of this into it and let it run for about 24 hours.

So it seems it really comes down to this: The owner of this professional pool cleaning service, and/or the professional pool cleaner he sent out to clean it, were either aware of this simple inexpensive solution (that would save the pool from having to be painted), or they weren't. So this is either an act of fraud or, at the very least, gross incompetence, yes? Am I a victim of a scam, or just a pool cleaner who is really ignorant about how to clean pools? I really want to make sure I'm not out of line here before pursuing this further.

Thanks for any insights and guidance you guys can provide.

Len




 
  #5  
Old 08-18-20, 05:37 PM
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So you posted what appears the same question, why are you reposting, better to keep the discussion consistent!

https://www.doityourself.com/forum/p...ml#post2857347
 
  #6  
Old 08-18-20, 05:37 PM
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Yes you got scammed. But you learned a $400 lesson. (We all do at some point in our lives) Not much you can do. How did you plan on going after him? And under what claim can you make that he defrauded you. And I would not try to use social media to comp[lain about his workmanship or reputation. You might get sued for slander. Chalk it up to experience and now you know how to clean the pool. Maybe you can advertise how to clean these stains off and charge a fee and maybe recoup your losses.
Did you ever call other pool places to get a quote?
 
  #7  
Old 08-18-20, 05:39 PM
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this was the best they could do. Turns out, it wasn't.
Actually you found out it was as that was the extent of their stain removing skills.

How long were they there working trying to remove the stains?
 
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Old 08-18-20, 09:59 PM
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Threads combined.

I have to use Les Iron in my pool due to the high manganese content or it will stain.
 
 

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