Orange stains on spa return jet.

Mark McLeroy

Silver Supporter
Mar 31, 2022
77
New Rochelle, NY
Pool Size
11500
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-20
Hi All:
We just opened our pool for the season and some of the return jets in the spa had an orange stain on them. Below the jets there is a orange drip stain on the fiberglass pool wall (though this is barely noticeable). We hired a company to close the pool for us last year and they did use pool antifreeze (which was orange in color). However I don't believe the antifreeze could have been used in the spa return jet line. I would think this line needs to be air locked because I don't see a way they would get the antifreeze in that line. I never had to remove a stain from the pool before so I would appreciate any recommendation anyone might have. What ever you suggest would have to work under water as this is below the water line.
Thanks.
 

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