Green water after shocking

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Pool Newbie
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Joined: Tue 22 Jun, 2010 13:33
My Pool: 24 foot round above ground sand filter
Location: pa.

Green water after shocking

Postby wingnut81 » Tue 22 Jun, 2010 14:06

hello, I have a 24 foot round above ground pool with a sand filter. I have metal in my water from using my well to top it off. I shocked my pool and it turned pea soup green. My local pool store advised me to use stain and scale remover to clear it up. I did this. two bottles worth, guess what, still green. I had my water tested today, June 22, and everything is balanced. Dont know what to try next. Any suggestions?

chem geek
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Location: San Rafael, California

Green water after shocking

Postby chem geek » Tue 22 Jun, 2010 19:45

Lower your pool's pH first. You may need to wait for the chlorine level to drop below 10 ppm FC to get an accurate pH reading. With a lower pH, say to 7.2, the green should lighten up and you can add more metal sequestrant as needed.
Pool Newbie
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Posts: 9
Joined: Tue 01 Jun, 2010 17:39
My Pool: 15' Round, Above Ground Pool. 4' deep. Sand Filter. Heavy Use (3 kids).
Location: Ohio

Green water after shocking

Postby TabSinger2 » Sun 11 Jul, 2010 12:28

I recently found out how metals react to pool shock, thus I have a well balanced 15' above ground pool that is clear and green. I added 32oz bottle of metal treatment last night and today it's more lime than dark green. There were two things that I didn't read in the directions. One was, how long before someone should swim after adding the treatment and two, how long do I wait before another is necessary? If it's green on day 2, do I wait a week or add more on day 3?

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