Ok guys. Here's the brief back story. I used a few bottles of vitamin c last year in a sock to remove the yellowish tinge/stain from my steps, plastic fittings, and the worst areas of my liner. Everything was fine all summer. I kept all levels in order, with the ph from 7.4-7.8, and the stains never came back. I opened it this year to the same staining everywhere. From what I've read on here I assume the ph went up over the winter as the water temp dropped, and the metal precipitated out staining the pool. I bought a 5lb bag of Ascorbic acid a month ago in anticipation of treating the whole pool at once instead of just areas at a time. I just re-read the AA thread, as well as a handful of other threads on the topic. Here's where my questions come in. The biggest one is, if you do the AA treatment and keep a sequestrant in it, will it still do this over winter, or will the sequestrant prevent it? I don't like to think of myself as cheap, but extremely economical. I don't want to keep dumping sequestrant in all summer if it's just gonna do this again anyway. Next topic is brand of sequestrant. Jacks seems to have a different flavor for everything, and proteam has metal magic. It's cheaper, and if they work the same, then that's the way I'll probably lean. Is one better than the other? Thanks for the help.
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