Question re: use of Sparkle Conquest...

[Magnew]

Last year, in order to eliminate some discoloration on the walls of my pool, somebody recommended Sparkle Conquest. I used it, and quite frankly the results were spectacular.

More than a year later, I have the same discoloration in my walls. However, I have only recently learned what I was doing re: pool chemistry, and my water is now perfect (thanks to Pool School and the great mentors on this web site).

I don't want to potentially ruin the progress I have made by re-introducing this product back into my pool, but I don't know enough to say whether it does any harm. I only know that it exceeded my expectations the last time I used it, for the problem I was having.

Any advice would be appreciated.

Thanks,

 

[Bama Rambler]

It's a phosphonic acid derivitive which is the preferred sequestrant here. I don't think it'd hurt anything in your pool. Have you ever had metals in your water?

 

[Magnew]

Thanks Dave. I do not know if there were any metals in the water. I don't believe I've ever tested for them. Nonetheless, Conquest really worked last time. My walls, and only my walls, look like they are rust stained.

 

[Bama Rambler]

Most likely metals and if that's the case that's why the sequestrant makes such a dramatic difference.