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careysub
International Hazard
Posts: 1339
Registered: 4-8-2014
Location: Coastal Sage Scrub Biome
Member Is Offline
Mood: Lowest quantum state
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Try independent pool and spa dealers for 34% HCl, persulfates, and 30% H2O2.
If there people have water wells in your area, look for well suppliers for KMnO4 which is widely used to remove iron from water. I doubt this is going
away any time soon, since existing wells are dependent on it.
(I have acquired all of same recently as I suggest, and this is in California.)
Persulfate oxygen shock treatments have disappeared from Lowes (which had a selection of them less than a year ago), Home Depot, and even Ace. In all
three places they have been replaced by a Clorox chlorine-only product line.
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violet sin
International Hazard
Posts: 1480
Registered: 2-9-2012
Location: Daydreaming of uraninite...
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Mood: Good
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I checked less than 2 months ago, and my ace store, in california, still had persulfate. the stuff is expensive and 50% purity if I remember
correctly. I did just pass up a bottle of K-persulfate as a photographic supply store went out of business though. so maybe look there. it was
Kodak brand 
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