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Has do you remove a dark stain on the water line of a pebble tech pool?
Wiki User
∙ 16y ago
I have this problem in my pebble tech pool. If you have a over flow valve plug it and fill your pool water level to the dark stain and make sure your chemical levals are good. Run your pool system for a full day this should help take it away. P.S. don't forget to unplug your over flow. I hope this helps
Well, it may take a bit longer than a day, a week , a month. You also have to scrub the tile line with a tile brush or a tile scrub pad and swimming pool tile cleaner( "tile soap"). Depending on the deposit it may take you all summer. This dark line could also be from a sliver type algaecide used to control black algae. If you did not follow the label instructions you are in for a lot of hard work. If you have not been cleaning your tiles on a weekly basis you probably have a calcium line also with the added part of the algae killer silver. It should come off in time tho.
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Wiki User
∙ 16y ago
Wiki User
∙ 12y agoI have found that building the acidity up a little high for a while often fixes that problem. Stains are often the result of tannin from some sort of vegetation on the bottom of the pool.
Additional answer: Sometimes you can use a vac head and vacuum hose to put the acid used to acid wash the pool directly onto the spot, as acid will sink to the bottom of the pool. Depending on the cause of the stain, there also may be a chemical that will treat just that stain and help you clean up the bottom of your pool.
Wiki User
∙ 12y agoA solution of hydrochloric/ muriatic acid should do it. don't leave it in there any longer then yo have to though. use just enough to do the job.
Also, be very careful when draining your pool that you don't create any issues with your pool structure/integrity.
Wiki User
∙ 14y agoTry putting some dry chlorine or dry acid in a sock and put the sock directly on the stain for a while.
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