Aquaponics Digest - Thu 06/14/01
Message 1: Re: Unsubscribe
from "dtp"
Message 2: RE: Spraying FOG nozzles
from "Dean Moore"
Message 3: More Fogging Nozzles
from "Dean Moore"
Message 4: Search Engine
. Google
from "Pat Arbuthnot"
Message 5: Search Engine
. Google
from "Pat Arbuthnot"
Message 6: search engines
from Ryon Lucke
Message 7: (no subject)
from Crabbeer 'at' aol.com
Message 8: Re: search engines
from "Laura Dalton"
Message 9: RE: search engines
from Jack Ganzhorn
Message 10: Re: Need help finding a source for very small water misting nozzels
from fishmanbruce 'at' webtv.net (Bruce Schreiber)
Message 11: Re: OT: Other Viable Tilapa methods
from fishmanbruce 'at' webtv.net (Bruce Schreiber)
Message 12: Re: Unsubscribe
from "kw"
Message 13: Re: OT: Other Viable Tilapa methods
from fishmanbruce 'at' webtv.net (Bruce Schreiber)
Message 14: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
from "Judith M. Bailey"
Message 15: Re: Gold fish - Koi
from "Steven Medlock"
Message 16: Re: OT: Other Viable Tilapia methods
from fishmanbruce 'at' webtv.net (Bruce Schreiber)
Message 17: Re: Goldfish-koi
from "STEVE SPRING"
Message 18: Re: search engines
from "STEVE SPRING"
Message 19: Re: Gold fish - Koi
from "STEVE SPRING"
Message 20: Re: OT: Other Viable Tilapia methods
from "STEVE SPRING"
Message 21: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
from "Arlos"
Message 22: Re: OT: Other Viable Tilapia methods
from "Arlos"
Message 23: Re: Gold fish - Koi
from "Arlos"
Message 24: Re: OT: Other Viable Tilapia hatchery methods
from dreadlox 'at' cwjamaica.com
| Message 1
Subject: Re: Unsubscribe
From: "dtp"
Date: Thu, 14 Jun 2001 03:34:49 -0500
Please unsubscribe. Thank you.
Tod
----- Original Message -----
From: "Jackson, Jimi"
To:
Sent: Wednesday, June 13, 2001 6:10 AM
Subject: Unsubscribe
> Please Unsubscribe!
>
> Jimi Jackson
> Project Manager
> Defense Supply Center Richmond
> DSCR-JHA,
> 804-279-5093 DSN-695
> FAX 804-279-6483
>
>
| Message 2
Subject: RE: Spraying FOG nozzles
From: "Dean Moore"
Date: Thu, 14 Jun 2001 08:16:26 -0400
Some folks wanted to know where to buy fogging nozzles. A few years ago, I
raised some hogs in confinement and I used overhead "fogging nozzles" to
keep them cool. I believe these are also used in poultry operations. So
possibly large farm supply stores might have them. But I just put "fogging
nozzles" - WITH those quote marks, in the world's best search engine
www.google.com and you immediately see a whole bunch of suppliers! We all
have the internet! Make USE of it! It's a wonderful tool.
| Message 3
Subject: More Fogging Nozzles
From: "Dean Moore"
Date: Thu, 14 Jun 2001 08:24:36 -0400
I first tried "fogging nozzles" in the world's best search engine and got
141 sites, then I tried "Fogger Nozzles" again WITH those quote marks, and
got MORE sites, then I tried "atomizing nozzles" and I got over double the
sites, I believe it was 323 hits! Search using www.google.com Hope this
helps.
| Message 4
Subject: Search Engine
. Google
From: "Pat Arbuthnot"
Date: Thu, 14 Jun 2001 09:30:12 -0500
Thanks for the tip on www.google.com . This
really is a great search engine! I came up with some very informative sites under
"aquaponic farming". I also checked out a few other topics that I'm interested in and .WOW
. what a difference. You all might just want to check it out for yourself.enjoy!
Get your FREE download of MSN Explorer at http://explorer.msn.com
| Message 5
Subject: Search Engine
. Google
From: "Pat Arbuthnot"
Date: Thu, 14 Jun 2001 09:30:36 -0500
Thanks for the tip on www.google.com . This
really is a great search engine! I came up with some very informative sites under
"aquaponic farming". I also checked out a few other topics that I'm interested in and .WOW
. what a difference. You all might just want to check it out for yourself.enjoy!
Get your FREE download of MSN Explorer at http://explorer.msn.com
| Message 6
Subject: search engines
From: Ryon Lucke
Date: Thu, 14 Jun 2001 08:05:56 -0700 (PDT)
Another good search engine is www.dogpile.com Despite the revolting name,
it searches other search engines for you, and generally gets a lot of hits.
It is not as nice as Google (which caches the pages it finds for you)- but
try it sometime.
| Message 7
Subject: (no subject)
From: Crabbeer 'at' aol.com
Date: Thu, 14 Jun 2001 11:42:38 EDT
unsubscribe
| Message 8
Subject: Re: search engines
From: "Laura Dalton"
Date: Thu, 14 Jun 2001 10:45:11 -0500
> since we're on the subject - Ask Jeeves is also a good search engine-
we've used it for a couple of years www.ask.com
Laura
| Message 9
Subject: RE: search engines
From: Jack Ganzhorn
Date: Thu, 14 Jun 2001 08:50:58 -0700
For scientific infomation, try this search engine:
http://www.scirus.com/
Jack Ganzhorn, Director
Center for Aquaculture Training
Peninsula College
Port Angeles, Washington USA
360-417-6493
http://www.pc.ctc.edu/aqua/
| Message 10
Subject: Re: Need help finding a source for very small water misting nozzels
From: fishmanbruce 'at' webtv.net (Bruce Schreiber)
Date: Thu, 14 Jun 2001 11:34:10 -0500 (CDT)
Maybe you could use a humidifier used for homes. On some the unit that
does the work is round and fits on top you could easily adapted it to
PVC.
Bruce
| Message 11
Subject: Re: OT: Other Viable Tilapa methods
From: fishmanbruce 'at' webtv.net (Bruce Schreiber)
Date: Thu, 14 Jun 2001 12:09:35 -0500 (CDT)
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Mike I just got back off of the road and my tail is dragging so low that
its plowing furrows better than an old share croppers mule. After I get
some sleep I will give you some alternate breeding Ideas that they
didn't teach you in school.
Bruce
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Date: Mon, 11 Jun 2001 19:01:58 -0700
From: dreadlox 'at' cwjamaica.com
Organization: Barnetech Industrial Consultants
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To: aquaponics 'at' townsqr.com
Subject: Re: OT: Viable Grass Carp
References: <10546-3B254248-75 'at' storefull-143.iap.bryant.webtv.net>
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Reply-To: aquaponics 'at' townsqr.com
Sender: aquaponics-request 'at' townsqr.com
Bruce Schreiber wrote:
>
> Ok Mike So what kind of fish do you want to know about?
> Bruce
Its good old tilapia Bruce.
I was thinking of setting up the system as follows
Polytanks with 5-7
females to a male, with flower pot saucer on the bottoms for nest.
(UNclear area) I flow from these tanks into a yet to be defined lower
"fry catchment tank" (???), and out to a solids seperator of sorts and
then to the biofilter and then to the growbeds.
The water would then be recirculated into the brood tanks after passing
through a UV filter.
What is unclear is, I could also opt to just grow the fish in the hapa
method in the 5-6 foot wide polytanks, but I am afraid that too much
poop would accumulate in the nets. After 5-7 day I would need to have an
excess tank(s) free to now move the broodparents into.I could then
selectively remove fry from the hapa into my smaller containers.
You see if I go one way, it means knowing how to drain the solids from
the tank without making scrambled fry and getting fry and poop
seperated, :> and the other means added expense making up a lot of nets
and hapas.
I would like to go a middle route between "old school" and new way!!?
Am I making much ado about nothing
. anyone?
Thanks guys.
Good to know you made it back safely Arlos! We'd like to see pictures!!
Thanks all,
Mike.
--WebTV-Mail-32213-250--
| Message 12
Subject: Re: Unsubscribe
From: "kw"
Date: Thu, 14 Jun 2001 14:10:29 -0500
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-----Original Message-----
From: dtp
To: aquaponics 'at' townsqr.com
Date: 14 June, 2001 3:35 AM
Subject: Re: Unsubscribe
>Please unsubscribe. Thank you.
>
>Tod
>----- Original Message -----
>From: "Jackson, Jimi"
>To:
>Sent: Wednesday, June 13, 2001 6:10 AM
>Subject: Unsubscribe
>
>
>> Please Unsubscribe!
>>
>> Jimi Jackson
>> Project Manager
>> Defense Supply Center Richmond
>> DSCR-JHA,
>> 804-279-5093 DSN-695
>> FAX 804-279-6483
>>
>>
>
>
| Message 13
Subject: Re: OT: Other Viable Tilapa methods
From: fishmanbruce 'at' webtv.net (Bruce Schreiber)
Date: Thu, 14 Jun 2001 18:09:39 -0500 (CDT)
Ok Mike I'm back
I keep my Tilapia breeders in my front room so that we can see
one another and as a result of this they get very tame. When I am close
to the tanks they beg me for food but this does not happen if say you or
any one other approaches the tank they will ignore you for the most
part. Because they are only fed by me .Also If you watch a holding
female she defends an area around herself to keep it safe for the
release of her young and she will not release the young in a dangerous
place so you can say that these fish have a sort of intellect .
So If you build your tank with a sort of shelf less than say 5inches
deep on one end at the tank top with the shelf too shallow for an adult
to get in to it and hang yarn mops in it thickly from say a PVC
frame.And you make this shelfs entrance either with a weir or so you can
close it at will with say a sheet of glass. And the tank absolutely has
no other cover for concealment then the young will all be released at
this area and they will not leave its cover for any reason to swim with
the sharks.So if you place a drain with a stand pipe in this shallow end
shelf (independent from the main system drain and stand pipe in the deep
end) and once a week or so you close the weir and pull out the stand
pipe you can see how all the young fry will be sucked out and sized for
stocking wright. This way you don't have to strip the eggs or fry from
the females but thats easy to do too. Some folks are just afraid that
they might hurt their breeders .I will explain that if you like
Bruce
| Message 14
Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
From: "Judith M. Bailey"
Date: Thu, 14 Jun 2001 18:16:03 -0500
Dear Arlos I am interested in info on raising Abalone. Can you give me any ? Or
where I can go to get info? Thanks Judy Bailey
Arlos wrote:
> Steve,
>
> If you are getting the correct DO per kW for the system design and the
> system works, it should be fine. I think the discussion here might be
> appropriate applied technology. I raise abalone and am new to this board. I
> use multiple eductors and the gas transfer takes places in a 24" by 72"
> column with about 7-10 min of contact and the result is a measured 100% DO
> at the 250 gallon abalone tank. Paddles, spray bars, flat plate diffusion
> and air stones all have there application. Bubbling efficiency is limited
> when used directly in a tank as much of the energy is lost. My plans are to
> get data on reuse of waste water for an aquaponics project in an area of
> <200 sq
ft. In that application I plan to use an eductor to aerate the
> fish tank but I will be raising Red Claw. I n a large operation a paddle is
> hands down the correct choice. I n under 1000 gallons like yours an air
> stone diffuser should provide at least some of the DO requirements. Take
> readings at the influent pipe, surface, midwater and effluent weir (if you
> are using a weir). I mentioned in an earlier response this week the use of
> an eductor manifold which uses the recirculation pump on the discharge side
> to install the eductor. As earlier mentioned, flowing water measured at 6-8
> gpm in a small recirculation system you should be able to flow 5-15+ SCFM to
> gain greater MET or mass energy transfer for gas transfer. I hope this is of
> some use.
>
> Arlos
>
> -----Original Message-----
> From: STEVE SPRING
> To: aquaponics 'at' townsqr.com
> Date: Saturday, June 02, 2001 10:07 PM
> Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
>
> >Hi Arlos,
> >
> >I am running an O2 concentrator which is attached to 2 airstones. The O2
> >concentrator puts out apprx. 90-95% FIO2 'at' 6/lpm. I'm very happy with this
> >configuration, but with your experience, is there a better end application
> >than airstones?
> >
> >I am currently running a 700 gal recirc. system with apprx. 100 Tilapia.
> >
> >Thanks
.Steve
> >
> >----- Original Message -----
> >From: "Arlos"
> >To:
> >Sent: Saturday, June 02, 2001 11:18 AM
> >Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
> >
> >
> >Bruce,
> >
> > Not to split hairs or create an endless string on the subject but
> >diffusion of gas through plate diffusers and especially regenerative
> blowers
> >work just fine. I work at the Monterey Bay Aquarium / Stanford
> >Universities' Tuna Research and Conservation Center )TRCC) where we have 4
> >large aeration towers supported by recirculation systems and regenerative
> >blowers that when measured at the influent of each holding tank have
> >readings of 100-107% of DO. This provides a 100% distribution of DO through
> >out the water column in high stocking densities of both blue and yellow fin
> >tuna which have extremely high metabolic rates. Though surface transfer of
> >gas is not to be argued. You can't beat spray bars either in the right
> >application.Sub surface systems for aquaculture and waste treatment have
> >more than enough data to support their continued use. It boils down to the
> >cost of gas transference being the core of the issue. O&M costs drive the
> >design process.
> > Bringing science and engineering to the subject of aquaponics will help
> >everyone make a more qualified choice as to the appropriately applied level
> >of technology.
> >
> >Arlos
> >
> >-----Original Message-----
> >From: Bruce Schreiber
> >To: aquaponics 'at' townsqr.com
> >Date: Saturday, June 02, 2001 7:53 AM
> >Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
> >
> >
> >Mark The air bubbles from an aireator contribute very little to the
> >oxygen content of the water directly.Instead they help to cause an up
> >swelling of water from lower in the tank to the water surface were the
> >REAL OXYGEN EXCHANGE takes place. Any way that you can circulate water
> >up to the surface works as good as air driven
> > Bruce
> >
> >
> >
> >
> >
| Message 15
Subject: Re: Gold fish - Koi
From: "Steven Medlock"
Date: Thu, 14 Jun 2001 18:36:17 -0500
Steve,
This is Steve (red) I don't know alot about them other than the basic
research I have done on line. I Have a maket for them,but not the fancy
ones. The city people are just putting them in outside gardens. You can
Email me personaly at gunner 'at' fidnet.com let me know.
by the way I am socially insensitive too, Ha Just ask my wife
Steve
----- Original Message -----
From: STEVE SPRING
To:
Sent: Wednesday, June 13, 2001 8:48 PM
Subject: Re: Gold fish - Koi
> I am not the Steve that you spoke to, but I am "socially insensitive"
> Steve
>
> I have several Koi in my pond that I will be trying to get rid of within a
> couple of months. I have several babies and a couple of real adult
BEAUTIES.
> They are Fusha and Fusha with white fins
.just absolutely Beautiful.
>
> If you are interested in Koi, I'm sure we can make a deal.
>
> Steve :)
>
> ----- Original Message -----
> From: "Chris Jeppesen"
> To:
> Sent: Monday, June 11, 2001 11:54 AM
> Subject: Re: Gold fish - Koi
>
>
> thanks Steve
> I called and they faxed me an 11 page price sheet. The catch is they sell
> only pet stores and garden centers, not a problem I have connections
there.
> The real problem is they have a $500 minimum order. (fish rabbits snakes
> etc.)
>
> Chris
>
> >From: "Steven Medlock"
> >To:
> >SUBJECTDate: Sun, 10 Jun 2001 16:27:11 -0500
> >Reply-To: aquaponics 'at' townsqr.com
> >
> >
> >----- Original Message -----
> >From:
> >To:
> >Sent: Tuesday, April 03, 2001 11:03 PM
> >Subject: Re: Gold fish - Koi
> >
> >
> >> Just got a flyer in the Greenhouse Producer News yesterday
> >> that has an ad for Koi (4" for $.95, 50 min). Haven't
> >> checked koi prices lately so don't know how that compares
> >> and we've never ordered from them before. They also list
> >> pond plants and will do a weekly fax of specials.
> >>
> >> Animals Etc., Inc.
> >> 551 Rt 130 S
> >> Burlington, NJ 08016
> >> 1-800-631-PETS
> >> 1-800-650-PETS (Fax)
> >>
> >> Marcy Nameth
> >>
> >> Chris Jeppesen wrote:
> >> >
> >> > Does anyone know a (cheap) source for gold fish or koi.
> >> >
> >> I have done a search aroung the internet and St. Louis erea, I have
> foud
> >that 2 to 2.50 is normal for the non show quality fish. I am in contact
> >with a local pet store that is selling quit a few small, 4 inches for
five
> >and six dollars a piece to local water garden owners. There looks to be
a
> >market around here.
> >Steve
>
>
>
>
>
>
>
>
>
>
| Message 16
Subject: Re: OT: Other Viable Tilapia methods
From: fishmanbruce 'at' webtv.net (Bruce Schreiber)
Date: Thu, 14 Jun 2001 19:34:58 -0500 (CDT)
Margi
What kinds of bream(Tilapia) are available to you?
Arlos Can you please give me a good description of the aeration tower?
Is it like a water fall inclosed in a wider pipe to keep the water
off of the floor?
Bruce
| Message 17
Subject: Re: Goldfish-koi
From: "STEVE SPRING"
Date: Thu, 14 Jun 2001 20:13:50 -0500
I don't know where to jump in on this.
As I previously stated, I will be cleaning out my pond in a couple of
months. I have several Koi. Don't know about shipping, etc., but if you are
interested, contact me off list 'at' careplus 'at' execpc.com
I won't jump into your conversation anymore. If you don't reply, I will
assume you are not interested.
Thanks
."Socially Insensitive" Steve :)
----- Original Message -----
From: "LeRoy Andrews"
To:
Sent: Tuesday, June 12, 2001 8:10 PM
Subject: Goldfish-koi
I too called the number and they would not talk to me because I was not a
pet store Roy
| Message 18
Subject: Re: search engines
From: "STEVE SPRING"
Date: Thu, 14 Jun 2001 20:17:23 -0500
Dogpile is my favorite. I don't have to search other engines. Dogpile does
it for me.
SS
----- Original Message -----
From: "Ryon Lucke"
To:
Sent: Thursday, June 14, 2001 10:05 AM
Subject: search engines
Another good search engine is www.dogpile.com Despite the revolting name,
it searches other search engines for you, and generally gets a lot of hits.
It is not as nice as Google (which caches the pages it finds for you)- but
try it sometime.
| Message 19
Subject: Re: Gold fish - Koi
From: "STEVE SPRING"
Date: Thu, 14 Jun 2001 20:21:31 -0500
Sorry Steve. You can't use the title "socially insensitive". That is already
TM by me. But, you don't have to worry. Your posts are kind. I'm known by my
somewhat unkind remarks. (Just kidding
.more or less
:) )
Later
."SI" Steve
----- Original Message -----
From: "Steven Medlock"
To:
Sent: Thursday, June 14, 2001 6:36 PM
Subject: Re: Gold fish - Koi
Steve,
This is Steve (red) I don't know alot about them other than the basic
research I have done on line. I Have a maket for them,but not the fancy
ones. The city people are just putting them in outside gardens. You can
Email me personaly at gunner 'at' fidnet.com let me know.
by the way I am socially insensitive too, Ha Just ask my wife
Steve
----- Original Message -----
From: STEVE SPRING
To:
Sent: Wednesday, June 13, 2001 8:48 PM
Subject: Re: Gold fish - Koi
> I am not the Steve that you spoke to, but I am "socially insensitive"
> Steve
>
> I have several Koi in my pond that I will be trying to get rid of within a
> couple of months. I have several babies and a couple of real adult
BEAUTIES.
> They are Fusha and Fusha with white fins
.just absolutely Beautiful.
>
> If you are interested in Koi, I'm sure we can make a deal.
>
> Steve :)
>
> ----- Original Message -----
> From: "Chris Jeppesen"
> To:
> Sent: Monday, June 11, 2001 11:54 AM
> Subject: Re: Gold fish - Koi
>
>
> thanks Steve
> I called and they faxed me an 11 page price sheet. The catch is they sell
> only pet stores and garden centers, not a problem I have connections
there.
> The real problem is they have a $500 minimum order. (fish rabbits snakes
> etc.)
>
> Chris
>
> >From: "Steven Medlock"
> >To:
> >SUBJECTDate: Sun, 10 Jun 2001 16:27:11 -0500
> >Reply-To: aquaponics 'at' townsqr.com
> >
> >
> >----- Original Message -----
> >From:
> >To:
> >Sent: Tuesday, April 03, 2001 11:03 PM
> >Subject: Re: Gold fish - Koi
> >
> >
> >> Just got a flyer in the Greenhouse Producer News yesterday
> >> that has an ad for Koi (4" for $.95, 50 min). Haven't
> >> checked koi prices lately so don't know how that compares
> >> and we've never ordered from them before. They also list
> >> pond plants and will do a weekly fax of specials.
> >>
> >> Animals Etc., Inc.
> >> 551 Rt 130 S
> >> Burlington, NJ 08016
> >> 1-800-631-PETS
> >> 1-800-650-PETS (Fax)
> >>
> >> Marcy Nameth
> >>
> >> Chris Jeppesen wrote:
> >> >
> >> > Does anyone know a (cheap) source for gold fish or koi.
> >> >
> >> I have done a search aroung the internet and St. Louis erea, I have
> foud
> >that 2 to 2.50 is normal for the non show quality fish. I am in contact
> >with a local pet store that is selling quit a few small, 4 inches for
five
> >and six dollars a piece to local water garden owners. There looks to be
a
> >market around here.
> >Steve
>
>
>
>
>
>
>
>
>
>
| Message 20
Subject: Re: OT: Other Viable Tilapia methods
From: "STEVE SPRING"
Date: Thu, 14 Jun 2001 20:24:24 -0500
Hi Bruce,
I KNOW THAT YOU KNOW, there is a lot of difference between bream & Tilapia.
Just "a thought".
I only post this to the folks on the list that might not know the
difference.
Steve :)
----- Original Message -----
From: "Bruce Schreiber"
To:
Sent: Thursday, June 14, 2001 7:34 PM
Subject: Re: OT: Other Viable Tilapia methods
Margi
What kinds of bream(Tilapia) are available to you?
Arlos Can you please give me a good description of the aeration tower?
Is it like a water fall inclosed in a wider pipe to keep the water
off of the floor?
Bruce
| Message 21
Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
From: "Arlos"
Date: Thu, 14 Jun 2001 18:47:26 -0700
Judith,
Where you located? Abalone require fresh macrocystis pyrifera (giant
brown kelp) which must be harvested about once a week. abalone feeds are
being developed but as of yet fresh harvested is best.I have 100 of then
about 2 1/2 years old. After 4 years old, the growth slows as they spend
energy thickening their shells. I raising them only for water quality data
( not to mention one heck of an AB feed in about one year) Abalone can be
raised in a closed loop system but they are a species that are indicators of
changes in the environment. Easily stressed. water must be maintained from
about 45 -58 F After 65 F they are susceptible to withering foot syndrome.
The best place to aquire them for a commercial supplier is the AB Farm Inc.
in Cayucos, CA. Contact Brad Buckley at 805 995-2495. tTheir site is
www.abalonefarm.com or email brad at bradab 'at' aol.com. Great people. They
will ship live to you.Very good facility. If you want to set up an
operation, I can help with that. Runcorrectly they are a great long term
investment like a winery, not a bad lifestyle either. I asked Brad how he
came to end up on the end of a cattle trail, overlooking the Pacific,
directly in the middle of nowhere. he said he started by cutting pipe. He
had mentioned this after saying he received his degree in Public relations
at which time I piped up with, " This must must have been a proud day for
your parents". He's done alright now as sales manager.
After spending years building water treatment systems for the silicon
valley's electronic industry I'll take Green Acres any day.
Ward Regards,
Arlos
-----Original Message-----
From: Judith M. Bailey
To: aquaponics 'at' townsqr.com
Date: Thursday, June 14, 2001 4:16 PM
Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
>Dear Arlos I am interested in info on raising Abalone. Can you give me any
? Or
>where I can go to get info? Thanks Judy Bailey
>
>Arlos wrote:
>
>> Steve,
>>
>> If you are getting the correct DO per kW for the system design and
the
>> system works, it should be fine. I think the discussion here might be
>> appropriate applied technology. I raise abalone and am new to this board.
I
>> use multiple eductors and the gas transfer takes places in a 24" by 72"
>> column with about 7-10 min of contact and the result is a measured 100%
DO
>> at the 250 gallon abalone tank. Paddles, spray bars, flat plate
diffusion
>> and air stones all have there application. Bubbling efficiency is limited
>> when used directly in a tank as much of the energy is lost. My plans are
to
>> get data on reuse of waste water for an aquaponics project in an area of
>> <200 sq
ft. In that application I plan to use an eductor to aerate the
>> fish tank but I will be raising Red Claw. I n a large operation a paddle
is
>> hands down the correct choice. I n under 1000 gallons like yours an air
>> stone diffuser should provide at least some of the DO requirements. Take
>> readings at the influent pipe, surface, midwater and effluent weir (if
you
>> are using a weir). I mentioned in an earlier response this week the use
of
>> an eductor manifold which uses the recirculation pump on the discharge
side
>> to install the eductor. As earlier mentioned, flowing water measured at
6-8
>> gpm in a small recirculation system you should be able to flow 5-15+ SCFM
to
>> gain greater MET or mass energy transfer for gas transfer. I hope this is
of
>> some use.
>>
>> Arlos
>>
>> -----Original Message-----
>> From: STEVE SPRING
>> To: aquaponics 'at' townsqr.com
>> Date: Saturday, June 02, 2001 10:07 PM
>> Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
>>
>> >Hi Arlos,
>> >
>> >I am running an O2 concentrator which is attached to 2 airstones. The O2
>> >concentrator puts out apprx. 90-95% FIO2 'at' 6/lpm. I'm very happy with
this
>> >configuration, but with your experience, is there a better end
application
>> >than airstones?
>> >
>> >I am currently running a 700 gal recirc. system with apprx. 100 Tilapia.
>> >
>> >Thanks
.Steve
>> >
>> >----- Original Message -----
>> >From: "Arlos"
>> >To:
>> >Sent: Saturday, June 02, 2001 11:18 AM
>> >Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
>> >
>> >
>> >Bruce,
>> >
>> > Not to split hairs or create an endless string on the subject but
>> >diffusion of gas through plate diffusers and especially regenerative
>> blowers
>> >work just fine. I work at the Monterey Bay Aquarium / Stanford
>> >Universities' Tuna Research and Conservation Center )TRCC) where we have
4
>> >large aeration towers supported by recirculation systems and
regenerative
>> >blowers that when measured at the influent of each holding tank have
>> >readings of 100-107% of DO. This provides a 100% distribution of DO
through
>> >out the water column in high stocking densities of both blue and yellow
fin
>> >tuna which have extremely high metabolic rates. Though surface transfer
of
>> >gas is not to be argued. You can't beat spray bars either in the right
>> >application.Sub surface systems for aquaculture and waste treatment have
>> >more than enough data to support their continued use. It boils down to
the
>> >cost of gas transference being the core of the issue. O&M costs drive
the
>> >design process.
>> > Bringing science and engineering to the subject of aquaponics will
help
>> >everyone make a more qualified choice as to the appropriately applied
level
>> >of technology.
>> >
>> >Arlos
>> >
>> >-----Original Message-----
>> >From: Bruce Schreiber
>> >To: aquaponics 'at' townsqr.com
>> >Date: Saturday, June 02, 2001 7:53 AM
>> >Subject: Re: SEC: UNCLASSIFIED:-Re: Pond Aerator Solutions
>> >
>> >
>> >Mark The air bubbles from an aireator contribute very little to the
>> >oxygen content of the water directly.Instead they help to cause an up
>> >swelling of water from lower in the tank to the water surface were the
>> >REAL OXYGEN EXCHANGE takes place. Any way that you can circulate water
>> >up to the surface works as good as air driven
>> > Bruce
>> >
>> >
>> >
>> >
>> >
>
>
| Message 22
Subject: Re: OT: Other Viable Tilapia methods
From: "Arlos"
Date: Thu, 14 Jun 2001 18:48:14 -0700
Bruce,
Photos coming soon.
Arlos
-----Original Message-----
From: Bruce Schreiber
To: aquaponics 'at' townsqr.com
Date: Thursday, June 14, 2001 5:35 PM
Subject: Re: OT: Other Viable Tilapia methods
Margi
What kinds of bream(Tilapia) are available to you?
Arlos Can you please give me a good description of the aeration tower?
Is it like a water fall inclosed in a wider pipe to keep the water
off of the floor?
Bruce
| Message 23
Subject: Re: Gold fish - Koi
From: "Arlos"
Date: Thu, 14 Jun 2001 18:50:13 -0700
After an exhaustive search, "socially challenged" has not been TM yet
.=)
-----Original Message-----
From: STEVE SPRING
To: aquaponics 'at' townsqr.com
Date: Thursday, June 14, 2001 6:23 PM
Subject: Re: Gold fish - Koi
>Sorry Steve. You can't use the title "socially insensitive". That is
already
>TM by me. But, you don't have to worry. Your posts are kind. I'm known by
my
>somewhat unkind remarks. (Just kidding
.more or less
:) )
>
>Later
."SI" Steve
>
>
>----- Original Message -----
>From: "Steven Medlock"
>To:
>Sent: Thursday, June 14, 2001 6:36 PM
>Subject: Re: Gold fish - Koi
>
>
>Steve,
> This is Steve (red) I don't know alot about them other than the basic
>research I have done on line. I Have a maket for them,but not the fancy
>ones. The city people are just putting them in outside gardens. You can
>Email me personaly at gunner 'at' fidnet.com let me know.
>
> by the way I am socially insensitive too, Ha Just ask my wife
>Steve
>----- Original Message -----
>From: STEVE SPRING
>To:
>Sent: Wednesday, June 13, 2001 8:48 PM
>Subject: Re: Gold fish - Koi
>
>
>> I am not the Steve that you spoke to, but I am "socially insensitive"
>> Steve
>>
>> I have several Koi in my pond that I will be trying to get rid of within
a
>> couple of months. I have several babies and a couple of real adult
>BEAUTIES.
>> They are Fusha and Fusha with white fins
.just absolutely Beautiful.
>>
>> If you are interested in Koi, I'm sure we can make a deal.
>>
>> Steve :)
>>
>> ----- Original Message -----
>> From: "Chris Jeppesen"
>> To:
>> Sent: Monday, June 11, 2001 11:54 AM
>> Subject: Re: Gold fish - Koi
>>
>>
>> thanks Steve
>> I called and they faxed me an 11 page price sheet. The catch is they sell
>> only pet stores and garden centers, not a problem I have connections
>there.
>> The real problem is they have a $500 minimum order. (fish rabbits snakes
>> etc.)
>>
>> Chris
>>
>> >From: "Steven Medlock"
>> >To:
>> >SUBJECTDate: Sun, 10 Jun 2001 16:27:11 -0500
>> >Reply-To: aquaponics 'at' townsqr.com
>> >
>> >
>> >----- Original Message -----
>> >From:
>> >To:
>> >Sent: Tuesday, April 03, 2001 11:03 PM
>> >Subject: Re: Gold fish - Koi
>> >
>> >
>> >> Just got a flyer in the Greenhouse Producer News yesterday
>> >> that has an ad for Koi (4" for $.95, 50 min). Haven't
>> >> checked koi prices lately so don't know how that compares
>> >> and we've never ordered from them before. They also list
>> >> pond plants and will do a weekly fax of specials.
>> >>
>> >> Animals Etc., Inc.
>> >> 551 Rt 130 S
>> >> Burlington, NJ 08016
>> >> 1-800-631-PETS
>> >> 1-800-650-PETS (Fax)
>> >>
>> >> Marcy Nameth
>> >>
>> >> Chris Jeppesen wrote:
>> >> >
>> >> > Does anyone know a (cheap) source for gold fish or koi.
>> >> >
>> >> I have done a search aroung the internet and St. Louis erea, I have
>> foud
>> >that 2 to 2.50 is normal for the non show quality fish. I am in contact
>> >with a local pet store that is selling quit a few small, 4 inches for
>five
>> >and six dollars a piece to local water garden owners. There looks to be
>a
>> >market around here.
>> >Steve
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
| Message 24
Subject: Re: OT: Other Viable Tilapia hatchery methods
From: dreadlox 'at' cwjamaica.com
Date: Thu, 14 Jun 2001 22:18:19 -0700
Now we are talking Bruce
FEED ME!!!!!
This is EXACTLY what I suspected
I am interested in building a smart
tank so you hit the nail on the head.
Apparently those who strip their mama fish's mouths, for fry get an even
higher yield. But you are right.
This is the sort of thing I LOVE to hear about
. Give me all the techie
details you want. Onlist or Offlist, as you wish.(in case you're sending
pics I meant
;) ) hehehehe
Gnite
Mike, JAMAICA.
Bruce Schreiber wrote:
>
> Ok Mike I'm back
> I keep my Tilapia breeders in my front room so that we can see
> one another and as a result of this they get very tame. When I am close
> to the tanks they beg me for food but this does not happen if say you or
> any one other approaches the tank they will ignore you for the most
> part. Because they are only fed by me .Also If you watch a holding
> female she defends an area around herself to keep it safe for the
> release of her young and she will not release the young in a dangerous
> place so you can say that these fish have a sort of intellect .
> So If you build your tank with a sort of shelf less than say 5inches
> deep on one end at the tank top with the shelf too shallow for an adult
> to get in to it and hang yarn mops in it thickly from say a PVC
> frame.And you make this shelfs entrance either with a weir or so you can
> close it at will with say a sheet of glass. And the tank absolutely has
> no other cover for concealment then the young will all be released at
> this area and they will not leave its cover for any reason to swim with
> the sharks.So if you place a drain with a stand pipe in this shallow end
> shelf (independent from the main system drain and stand pipe in the deep
> end) and once a week or so you close the weir and pull out the stand
> pipe you can see how all the young fry will be sucked out and sized for
> stocking wright. This way you don't have to strip the eggs or fry from
> the females but thats easy to do too. Some folks are just afraid that
> they might hurt their breeders .I will explain that if you like
> Bruce
|
