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https://www.reddit.com/r/mildyinteresting/comments/1tc1p54/what_caused_this_sign_and_how_could_they_possibly/oll4rt0
r/mildyinteresting • u/Gold-Range93 • May 13 '26
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1 u/mnett66 May 13 '26 Fish it out with a net and take a chlorine reading. If it's above 2.5ppm wait a half hour and open it back up.
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Fish it out with a net and take a chlorine reading. If it's above 2.5ppm wait a half hour and open it back up.
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u/[deleted] May 13 '26
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