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re: Per the LSU Ag Center my pond has a pH of 4.53

Posted on 4/23/24 at 1:52 pm to
Posted by TigerDeacon
West Monroe, LA
Member since Sep 2003
29409 posts
Posted on 4/23/24 at 1:52 pm to
quote:

What time of day? pH changes in a pond as algae photosynthesizes.


quote:


Also, water chemistry changes as it sits in a test bottle. Anything tested over 15 mins from collection isn't considered valid.


I get all that but my live testing was in line with what LSU got. I just didn't believe the pH would be that low.


Every item they tested for was categorized as "low" or "very low" except for Potassium which was "medium"
This post was edited on 4/23/24 at 1:57 pm
Posted by Lonnie Utah
Utah!
Member since Jul 2012
24195 posts
Posted on 4/23/24 at 4:29 pm to
quote:

I just didn't believe the pH would be that low.


How much rain have you gotten recently? Dead or decaying leaves in the pond? Both can lower the pH.

Try taking a reading in the middle of the afternoon on a sunny day and see what you get. They should be the highest at that point of the day. The lowest pH will be first thing in the AM.

Also try testing different depths and at different locations in the pond. I'd specifically take one right where the spring enters the pond. Based on what you've posted, I'd bet the spring runs over a mineral deposit that leads to the low pH.
This post was edited on 4/23/24 at 4:39 pm
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