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#342468 - 07/06/13 04:31 PM gypsum powder
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
does anyone know where I can buy gypsum powder in the dallas area?

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#342481 - 07/06/13 07:19 PM Re: gypsum powder [Re: james holt]
small pond Offline


Registered: 01/31/13
Posts: 616
Loc: somerset county pa
If you have access to pelletized gypsum you can soak it in water over night and it will turn into powder.
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#342489 - 07/06/13 09:56 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
I am having trouble locating any form of gypsum

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#342491 - 07/06/13 10:03 PM Re: gypsum powder [Re: james holt]
FireIsHot Offline
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Registered: 02/28/11
Posts: 3837
Loc: Emory TX
James, HD sells Pennington lawn gypsum, but I'm not sure what else is in the Mix. Maybe a feed store could order some.
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#342503 - 07/06/13 10:41 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
I may go and try it tomorrow on a water sample. Its 98% gypsum with 2% something else?

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#342506 - 07/06/13 10:44 PM Re: gypsum powder [Re: james holt]
james holt Offline
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Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
I have also found liquid gypsum which they claim is equal to 200# gypsum per gallon on your yard? Not sure what it would do to a pond? Its 50 dollars a gallon.

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#342565 - 07/07/13 01:08 PM Re: gypsum powder [Re: james holt]
esshup Offline
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Loc: Grovertown, Indiana
Originally Posted By: james holt
I have also found liquid gypsum which they claim is equal to 200# gypsum per gallon on your yard? Not sure what it would do to a pond? Its 50 dollars a gallon.


I find that hard to believe (not the price, but the equivalent factor).
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#342589 - 07/07/13 03:56 PM Re: gypsum powder [Re: esshup]
Kelly Duffie Offline
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Registered: 04/19/02
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Loc: Cypress, TX (Helena A-E LLC))
Originally Posted By: esshup
Originally Posted By: james holt
I have also found liquid gypsum which they claim is equal to 200# gypsum per gallon on your yard? Not sure what it would do to a pond? Its 50 dollars a gallon.

I find that hard to believe (not the price, but the equivalent factor).
X2
This claim reminded me that the Cardiff Giant was born from a gypsum quarry (< completely unrelated, but amusing). grin

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#343450 - 07/12/13 11:18 PM Re: gypsum powder [Re: james holt]
james holt Offline
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Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
I have now located the gypsum to put in the pond what are the reccommendations on how to apply 50-70 tons of gypsum? i was thinking of just putting it around the edge of the pond with the front end loader? Will it disperse around the pond if its just put around the edges or will i need to get in a boat and take it all over the pond?

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#343452 - 07/12/13 11:21 PM Re: gypsum powder [Re: james holt]
james holt Offline
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Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
I did a bucket test with a small amount of the gypsum. within a short time the clay had settled but it left the water a tea color? When I used the alum it settled the clay but it left the water drinking water clear.

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#343465 - 07/13/13 06:18 AM Re: gypsum powder [Re: james holt]
Dave Davidson1 Offline
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Registered: 01/04/06
Posts: 13537
Loc: Hurst & Bowie, Texas
James, I checked on it about 10 years ago but didn't use it. AS I RECALL, it had to be spread like alum. They told me to also do the banks of the pond where water runs in.
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#344614 - 07/21/13 03:19 PM Re: gypsum powder [Re: james holt]
james holt Offline
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Registered: 03/30/04
Posts: 1714
Loc: gainesville texas


As you can see the pond is very muddy. The gypsum clears the water along the shore where we are putting it but it returns to muddy in about six hours from the water mixing from the center of the pond. I am next going to try to move the gypsum out to the center in a boat. I havnt quite figured that out yet. any suggestions would be helpful

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#344616 - 07/21/13 03:25 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
we have put about 20 tons along the shore line and I have about 50 tons left to try and put out in the middle. I was thinking about trying to build a barge out of plywood for the flat surface and then barrels or pvc pipe to float it? I have a lot of 6 inch pvc pipes I could cap the ends off and then put them under the plywood or maybe barrels not sure?

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#344648 - 07/21/13 09:02 PM Re: gypsum powder [Re: james holt]
esshup Offline
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Registered: 01/26/09
Posts: 24029
Loc: Grovertown, Indiana
James:

Each 55 gallon barrel can float approximately 400 pounds. when the barrel is barely submerged. Depending on the amount of barrels, you can float a lot of gypsum. A small outboard and a small gasoline powered trash pump will allow you to move around the lake washing off the gypsum from the "barge" as you go.
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#344652 - 07/21/13 09:14 PM Re: gypsum powder [Re: james holt]
Bocomo Offline


Registered: 05/06/12
Posts: 1148
Loc: Boone County, MO (pond)
For my own edification, why are you using gypsum and not alum if alum worked better in the bucket?
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#344666 - 07/21/13 10:18 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
I wasnt able to solve the chemistry problem with the alum long term. I am hopeful that the gypsum will be a longer term solution. It is also much less expensive and is non toxic to the fish. There is no risk of ph issues. It is also non toxic to handle. lime and alum both burn your skin and lungs. after saying this if i thought I would have success with the alum i would use it.

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#344668 - 07/21/13 10:40 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
esshup I have located plastic 55 gallon barrels. how do I attach the platform to the barrels?

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#344671 - 07/21/13 10:52 PM Re: gypsum powder [Re: james holt]
esshup Offline
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Registered: 01/26/09
Posts: 24029
Loc: Grovertown, Indiana
James, you have to contain the barrels "inside" the platform. As teh people saw that were at the doings at my place, the floating pier has 2x10's/2x12's on the outside, and the barrels are inside. I ran 2x10's as joists between the barrels, narrower than the barrels are wide so they get jammed in there before they want to pop thru the joists. I'd top your barge with plywood.

Or if you are going to be doing this on a semi-regular basis, see about scrounging up an almost trashed pontoon boat and use that for a barge.
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#345373 - 07/27/13 11:32 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
gypsy barge one. I think I will add two more barrels to increase the carrying capacity. right now it has six barrels. I have now added about forty tons of gypsum and have about thirty left on site to add.

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#347668 - 08/16/13 11:19 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
still not gin clear but a vast improvement. Still adding gypsum. I am at about fifty tons added and hope to finish adding the additional 20 today.

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#347669 - 08/16/13 11:22 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
If my body holds out I may order another 25 tons next month depending on what adding the 20 tons i have left does.

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#347690 - 08/17/13 09:50 AM Re: gypsum powder [Re: james holt]
esshup Offline
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Registered: 01/26/09
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Loc: Grovertown, Indiana
James, it's an improvement!

How many pounds can the barge float comfortably with the 6 or 8 barrels?
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#347719 - 08/17/13 11:34 AM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
the barrels are supposed to support 400 lbs each. I have been loading about 2000lbs with the front end loader each time. I weigh 230 so that has to be added also. I was afraid I was going to sink it more than once. I am now seeing the bass both white and black feeding along with the bluegill at the feeders. I think muddy water is very detrimental to all of the fish species that are sight feeders. The only fish that the muddy water didnt seem to harm were the catfish. Muddy water is bad for fish and is unsightly if you can do something about it you should at least try.

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#347868 - 08/18/13 10:23 PM Re: gypsum powder [Re: james holt]
ewest Offline
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Hall of Fame 2014

Lunker

Registered: 03/08/05
Posts: 19493
Loc: Miss.
Let us know how this works !
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#347872 - 08/18/13 10:30 PM Re: gypsum powder [Re: james holt]
james holt Offline
Lunker

Registered: 03/30/04
Posts: 1714
Loc: gainesville texas
beforeso far

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