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In reply to the discussion: Laughter as workers put peroxide in algae-filled Reflecting Pool': '0 scientists in admin' [View all]LeftInTX
(34,902 posts)They are using 12% and will need 4,000 gallons. I don't know why they didn't use the 30%?
https://www.yahoo.com/news/us/articles/was-hydrogen-peroxide-dumped-into-the-lincoln-memorial-reflecting-pool-171003668.html
I think they didn't want to use chlorine because it can be toxic to some of the wild life.
The effects of H202 are fairly short lived.
Some of the chlorine products are stablized. But once you start putting stabilized chlorine in a pool, it essentially becomes a "swimming pool" with swimming pool maintenance. (Levels need to be checked etc)
Even chlorine itself (Household bleach) can change the pH. Dichlor and trichlor can also change the pH. I could not use trichlor products in my little pool for some reason. Tricholor is the most stabilizing. H202 is pretty much neutral.
There is also sodium perisuflate which is used as a shock. It's "safer" than chlorine products. (It doesn't impact pool pH much) It comes in powdered form.