I'm looking into using agricultural limestone to bring up the pH in a stormwater collection pond that we have. Right now, the pH fluctuates between 5.7 - 6.3 for the most part. I'd like for it to be consistently a little higher around 6.5 - 7.

I'm doing some online research and reading a lot of different, and sometimes conflicting, text on the subject of agliming soil and pond water.

Just wanted to see if anyone on here has some experience with this, and maybe some do/don't tips from their experience.

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Posted by ThatMakesSense

Fort Lauderdale

Member since Aug 2015

14792 posts

Posted on 5/18/16 at 9:52 am to ColoradoAg03

quote:
I'd like for it to be consistently a little higher around 6.5 - 7.

Why?

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Posted by banone74

Member since Oct 2006

1123 posts

Posted on 5/18/16 at 9:53 am to ColoradoAg03

I'd ask the Outdoor Board, they know their stuff

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Posted by TigerFred

Feeding hamsters

Member since Aug 2003

27174 posts

Posted on 5/18/16 at 10:00 am to banone74

quote:
I'd ask the Outdoor Board, they know their stuff

True. Just don't ask Nascar Fan. His pond is more like a puddle.

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Posted by ColoradoAg03

Denver, CO

Member since Oct 2012

6156 posts

Posted on 5/18/16 at 10:06 am to TigerFred

I RA'd to move to the Outdoor Board.

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Posted by TheDrunkenTigah

Baton Rouge

Member since Aug 2011

17318 posts

Posted on 5/18/16 at 10:14 am to ColoradoAg03

Pondboss.com

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Posted by mack the knife

EBR

Member since Oct 2012

4185 posts

Posted on 5/18/16 at 10:25 am to ColoradoAg03

yes, i've used ag lime with success. you can also use gypsum. both of them will also clarify the water because Ca+ will de-floculate suspended solids (make the dirt clump together and fall out of suspension). this can have a detrimental effect on fish if you clarify too much and they don't have adequate shade/cover to avoid excessive sunlight exposure to their eyes.

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