New Pool Owner - Staining

[CJ_Dangle]

Hi all,

Thanks to everyone that provides advice and guidance here. It’s nice to have a place to go with pool help.

I purchased a home with an 18,000 gal pebble pool. I have these odd orange/rust colored stains that seem to appear out of nowhere. They all have a kidney bean shape which leads me to believe it’s something organic.
I shocked the pool with liquid chlorine and attempted to brush them, to no avail. Thoughts?

 

[Texas Splash]

Try to rub a Vitamin C tablet on them. If they are in the deep end, place some in a thin sock and put it on the end of a rod and rub it on the stain. I suspect they may be iron spots. Let us know.

 

[CJ_Dangle]

Try to rub a Vitamin C tablet on them. If they are in the deep end, place some in a thin sock and put it on the end of a rod and rub it on the stain. I suspect they may be iron spots. Let us know.

Tried some tablets, unfortunately no results. I saw a tool online to put muriatic acid directly on the stain. Is this something to try?

 

[YippeeSkippy]

Take a strong magnet and see if they "like" each other?

Maddie

 

[Texas Splash]

Hummmm, if you still think they are organic, you can try to rub a chlorine tablet on them. Don't let teh tab just sit in one spot though.

 

[YippeeSkippy]

No seriously.... JamesW had a poster with almost the same spots use a magnet and it worked. It was rebar under extra thin plaster. Ooooops!

Maddie