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Jan 10th, 2023
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Joined: Jul 2023
Posts: 11
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OP
Joined: Jul 2023
Posts: 11 |
Hi all, can someone explain the concern with ph fluctuation when using alum to clear murky water and algae. My pond’s ph is within the normal range. The pond is used for swimming and we would like to see the bottom as much as possible. Specifically, does anyone have experience with Phosclear? https://phosclear.com/learn-moreThank you
Last edited by Paula; 08/31/23 03:05 PM. Reason: Added more info
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Joined: Mar 2005
Posts: 21,412 Likes: 254
Moderator Hall of Fame 2014  Lunker
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Moderator Hall of Fame 2014 Lunker
Joined: Mar 2005
Posts: 21,412 Likes: 254 |
Adding Alum to water greatly increases acidity to the point that it kills fish. See chart below. Adding hydrated lime at the same time counteracts the alum acidity increase. ![[Linked Image from forums.pondboss.com]](http://forums.pondboss.com/ubbthreads.php?ubb=download&Number=11781&filename=ph-alkachanges.jpg)
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Joined: Jul 2023
Posts: 11
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OP
Joined: Jul 2023
Posts: 11 |
Thank you, the product I plan to use is called Phosclear. It has a buffering agent, so lime is not required https://phosclear.com/learn-more
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