Re: Ascorbic Acid Treatment - MBAR's suggestion
Originally Posted by
jimmysam
Hello, I am very very new to this forum and very new to pools as I just bought a foreclosed house with a very stained pool. The pool stains are black/brown/orange which after reading these postings make me believe that they are from metal. I have brushed with a metal brush for 3 weeks now and nothing. I want to try MBAR's Ascorbic Acid Treatment, but I have a cartridge filter and I don't know how to turn the filter off and "circulate" the water. Will the treatment work without turning the filter off? Please help. Thank you so much!!!!
Welcome to the forum.
Have you been able to test a small area with Vitamin C (ascorbic acid) to confirm that the stains are from metal? In the thread to which you refer (or perhaps you meant this one), chem geek said that he had or was going to perform this procedure (his pool configuration includes a cartridge filter) so he'd likely have some idea how that would work. I can't think of any good way to bypass the cartridge filter during this process and I'm not sure that the dissolved metals wouldn't just pass through cartridge media. Unless the metals originated in the make-up (fill) water it would make sense to drain some or all of the water after a successful treatment. That's one way to obviate continual monitoring and prevent a recurrence.
Of course, if the stains you describe are organic in nature, a period of high-chlorine would be your best bet. (Don't try both at once!)
Last edited by polyvue; 05-14-2010 at 05:11 AM.
16'x29' free-form 14K gal IG gunite pool; SWCG & sodium hypochlorite 8.25%; Hayward SwimClear C4025 cartridge filter; Hayward SP3202VSP TriStar Variable Speed Pool Pump; custom test kit based on Taylor K-2006C; city; PF:8.6
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