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Joined: Apr 2018
Posts: 1,220
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OP
Joined: Apr 2018
Posts: 1,220 |
I'm still struggling to get my pond's Hardness up where it needs to be. Thru researching possible corrective actions, such as gypsum, I came across the idea of adding cruched oyster shell to increase calcium carbonate levels.
Has anyone ever tried this, and if so, what were your results?
I ask primarily from a cost standpoint, as 50# of oyster shell is about the same price as 10# of gypsum.
.10 surface acre pond, 10.5 foot deep. SW LA. The epitome of a mutt pond. BG, LMB, GSF, RES, BH, Warmouth, Longear Sunfish, Gambusia,Mud Minnows, Crappie, and now shiners!!...I subscribe!!
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Joined: Jun 2007
Posts: 7,099 Likes: 23
Ambassador Field Correspondent Hall of Fame  Lunker
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Ambassador Field Correspondent Hall of Fame Lunker
Joined: Jun 2007
Posts: 7,099 Likes: 23 |
Dolmitic Ag lime has both calcium and magnesium. Pelletized Dolomite is a little pricey, but very easy to spread and effective. Pulverized limestone is cheaper and also very easy to spread and effective....Count on needing 5 ton per surface acre...more if using gypsum.
Oyster shell is comparatively very course, so it will not dissolve very fast, but can never hurt.
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Joined: Apr 2018
Posts: 1,220
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OP
Joined: Apr 2018
Posts: 1,220 |
I added 500# of aglime to my little pond a few months back. It raised my Alk a bit, so I probably need another 500#. My Ph is relatively stable, never over 8 or under 7 now. However, my hardness is still nill. Thats my reason for looking for something besides aglime.
.10 surface acre pond, 10.5 foot deep. SW LA. The epitome of a mutt pond. BG, LMB, GSF, RES, BH, Warmouth, Longear Sunfish, Gambusia,Mud Minnows, Crappie, and now shiners!!...I subscribe!!
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Moderated by Bill Cody, Bruce Condello, catmandoo, Chris Steelman, Dave Davidson1, esshup, ewest, FireIsHot, Omaha, Sunil, teehjaeh57
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My First
by x101airborne - 05/05/24 07:39 AM
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