Re: Sequestering Agent caused an enormous amount of white precipitate to pool
Keep in mind that I'm not sure what happened. Also, unless you dried and weighed the white goo, it's hard to say how much calcium was actually present. Most likely the goo was mostly water, quite possibly some of it bound chemically.
Send your picture to me at [email protected] OR post it by using a link to Google Drive, Flickr, Webshots or something like that.
PoolDoc / Ben
Re: Sequestering Agent caused an enormous amount of white precipitate to pool
Well, whatever happened, the pool is quite clean of it now. I just cleaned the Robot's bag again tonight. The white residue is getting less and less. And the pool chemistry is all spot on. Also been brushing a good amount, especially the steps where the Dolphin rarely gets to. Thanks Ben. Glad I found your site. Will send you some pics to that email. Mike
38k Gallon Gunite Free-form with white Plaster finish -- Spillover Spa -- SWCG -- Cartridge Filter
Re: Sequestering Agent caused an enormous amount of white precipitate to pool
Your pics:
Re: Sequestering Agent caused an enormous amount of white precipitate to pool
This paper talks about the precipitation of calcium phosphonate, specifically calcium with HEDP.
15.5'x32' rectangle 16K gal IG concrete pool; 12.5% chlorinating liquid by hand; Jandy CL340 cartridge filter; Pentair Intelliflo VF pump; 8hrs; Taylor K-2006 and TFTestkits TF-100; utility water; summer: automatic; winter: automatic; ; PF:7.5
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