Staining on WetEdge Luna Quartz Bermuda finish

[geewiss]

I have a 2 year old pool and ever since it was completed we have had issues with an inconsistent looking surface. The pool builder has tried multiple acid baths (one even with a full empty of the pool and power wash) and a jacks stain treatment and nothing has seems to have fixed the issue.

I was wondering if any one has dealt with an issue like this before? I've attached pictures and hopefully it comes through on the screen. Notice how around the walls and the edges it's a darker color? Notice towards the middle it's more of a whitish color?

Any input or thoughts greatly appreciated.

 

[onBalance]

The best way to remedy this problem is to drain and power sand the finish. Acid treatments just make things worse.

See this post: The Art of Good Pool Plaster Color

 

[geewiss]

Appreciate the input and one follow up question.

How much life does the power sand take out of the finish?

 

[onBalance]

Both power sanding and acid treatments remove a thin layer of plaster from a typical half-inch plaster coat. The difference is that power sanding should provide a smooth, hard, and dense surface which is able to withstand water and chemicals much better and last longer. Acid treatments leave a rough, pitted, and porous surface which will continue to deteriorate faster and will be easily stained by metals and dirt in the water.

 

[geewiss]

makes sense....lets see what the Wetedge vendor comes up with.

 

[geewiss]

So as expected, the pool builder and vendor are saying this was caused by improper water balance. I know that's not the case but don't know exactly how to fight it.

Is there anyway that this will eventually go away on it's own?

 

[onBalance]

Show them this recent post: Why Colored Plaster Turns White

 

[geewiss]

Show them this recent post: Why Colored Plaster Turns White

Thanks for all the information and I will show this to them. I do want to bring up one more thing first to you.

Upon their initial check a few weeks ago. The pool builder took some Jacks Magic and let it fall through a held PVC pipe to the shallow end. This way he could let the Jacks powder sit directly on the surface of the pool (not exposed to any water). He let that sit for a minute or two and when he pulled up the PVC pipe and the Jacks dispersed, we could clear see a darker spot and it looks as though the color of the quartz had returned. Does this indicate that it is indeed a calcium buildup and that water chemistry was the cause?

Thanks again!

 

[onBalance]

It is hard to positively say what the issue is with your pool. Photos from a distance don't always reveal everything going on.