Aquaponics Digest - Sat 04/24/99
Message 1: Perlite alternative?
from tony cooper
Message 2: Re: Start up
from "Capista"
Message 3: Re: Raspberries
from "TGTX"
Message 4: Re: Start up
from KLOTTTRUE
Message 5: Re: Perlite alternative?
from "Donald W. Trotter"
Message 6: Re: Bright Lights Chard
from "William Brown"
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Subject: Perlite alternative?
From: tony cooper
Date: Sat, 24 Apr 1999 17:03:08 +0800
I posted this to the Hydroponic list but it may be of interest to
aquaponickers too.
>Here in the Philippines I haven't been able to locate perlite or
hydroponic grade Rockwool, but there is a resource that appears to be
ideal, and free for the taking.
This is calcined ash that is found mixed with the waste residue from
sugar mills.
The ash is produced when burning baggasse [the outer layer of sugar
cane] in the mill boilers, it is sized anywhere from a grain of sand to
a cubic foot, is very light in weight and contains numerous small holes
almost like an airstone. It can easily be reduced to pea gravel size by
hammermilling and screening. Small quantities can be just pulverized
with 4x4 post and hand screened.
I dont have an analysis yet, I intend to have one done soon. I have
heard that it contains mostly silica with a fair amount of calcium.
Has anyone ever tried this as a grow bed medium? Hydroponikers in Hawaii
might like to check this out at the sugarmill.
Tony Cooper.
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Subject: Re: Start up
From: "Capista"
Date: Sat, 24 Apr 1999 07:14:58 -0400
Hi Paula,
We have been so busy I haven't had a chance to get back to you about the
tape and manual. All of us at TBurg Tilapia thankk you for the info. They
arrived in good shape and in a timely manner, and we are all psyched about
starting aquaponics after we get the fish going.
We have the excavation done and the electrical service is finally connected
(what a hassle that was). The greenhouse kits are being sent out next
Tuesday, and the boiler is ordered. We have been busily buying supplies
and construction materials. We'll keep you informed of our progress. We
plan to slightly modify you plans, but basically the concepts remain. The
main change is that since the ponds are in the ground, the return water
will be gravity-fed back into the ponds......no need for a second pump.
Thaks again for the inspiration and information. We are enjoying the
newsgroup also.
Peace,
Albert, Pam, Brian and Suzanne
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> From: S & S Aqua Farm
> To: aquaponics@townsqr.com
> Subject: Re: Start up
> Date: Tuesday, April 13, 1999 9:25 AM
>
> At 08:18 PM 4/6/99 -0700, Craig wrote:
> >Hello everyone
> >>Hear are some great questions for you all. I am building a start up
> >>system with two 55 gal drums. How many fish do I start with and how
> >>many plants should I have ( talapia & bib lettuce ). The growing media
> >>I am planning is perlite. All comments are welcome- please- :-).
>
> Craig - We recommend stocking the system at a maximum of 1/2 to 3/4# (at
> grow-out/harvest) of fish per gallon of water. Of course your start-up
> ratio would be lower, but then your plant growth will be light to start
as well.
>
> We use pea gravel (common creek/river gravel here in the Ozarks) for our
> grow media, and use a ratio of 2 cu. ft. of grow space for each cu. ft.
of
> water. We prefer gravel for its ability to house the beneficial
bacteria,
> without which the system cannot function.
>
> Paula
> S&S Aqua Farm, 8386 County Road 8820, West Plains, MO 65775 417-256-5124
> Web page http://www.townsqr.com/snsaqua/
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Subject: Re: Raspberries
From: "TGTX"
Date: Sat, 24 Apr 1999 08:37:47 -0500
Aquaponikers:
What about Raspberries? This is just to add my 2 cents ala Andy Rooney.
"Raspberries" is a funny word.
Don't you find some humor in the word "Raspberries"?
Look at the way it is spelled, for crying out loud. Now, that's certainly
funny.
For some reason, the elegant raspberry gained a disagreeable association by
way of labeling a rude noise. Sam the Sham and the Pharoahs back in the
50's had a song out called "I Would Have Wrote You a Letter, But I Couldn't
Spell "PLPLPLP" (rude raspberries there- I wonder how they labeled the 45
for the DJ to read it?)
How about the way a guy from the Bronx might pronounce it:
"Hey, hehs sum Razzbierries fuh you too, buddy!, now git outta my way!"
Or a British butler...
"Rozzzzburrrreees Flam Beau, Madame?"
Raspberries...the humorous fruit....you gotta laugh at that.
Ted
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Subject: Re: Start up
From: KLOTTTRUE
Date: Sat, 24 Apr 1999 10:17:31 EDT
In a message dated 4/24/99 7:20:04 AM Eastern Daylight Time,
capista@clarityconnect.com writes:
<< The
main change is that since the ponds are in the ground, the return water
will be gravity-fed back into the ponds......no need for a second pump.
>>
That means you'll have to come up with another means of aeration. Ken
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Subject: Re: Perlite alternative?
From: "Donald W. Trotter"
Date: Sat, 24 Apr 1999 09:44:20 -0700
At 05:03 PM 4/24/99 +0800, you wrote:
>I posted this to the Hydroponic list but it may be of interest to
>aquaponickers too.
It most certainly is of interest
>>Here in the Philippines I haven't been able to locate perlite or
>hydroponic grade Rockwool, but there is a resource that appears to be
>ideal, and free for the taking.
That is a good price
>This is calcined ash that is found mixed with the waste residue from
>sugar mills.
>The ash is produced when burning baggasse [the outer layer of sugar
>cane] in the mill boilers, it is sized anywhere from a grain of sand to
>a cubic foot, is very light in weight and contains numerous small holes
>almost like an airstone. It can easily be reduced to pea gravel size by
>hammermilling and screening. Small quantities can be just pulverized
>with 4x4 post and hand screened.
Are the particles stable when hydrated? Or does water erode them quickly,
polluting the water with fines?
>I dont have an analysis yet, I intend to have one done soon. I have
>heard that it contains mostly silica with a fair amount of calcium.
>Has anyone ever tried this as a grow bed medium? Hydroponikers in Hawaii
>
This would be an ideal material if during the burning process all pesticide
residues were eliminated. Be cognizant of possible heavy metal
concentrations after burning. We experimented with a volcanic ash from some
diatomaceous earth mines from Nevada USA and found them to be too rich in
certain metals (iron, boron, strontium) to be used. But the material was
very light and porous. It had perfect physical properties for use but the
persistent elements were a problem.
>might like to check this out at the sugarmill.
>Tony Cooper.
>
>
>
>
>
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Subject: Re: Bright Lights Chard
From: "William Brown"
Date: Sat, 24 Apr 1999 06:50:04 -0000
Grow good, taste better. Very nice plant to look at and therefore hard to
eat. It is good to harvest the leaves so the plants retain their nice
leaves. We hardly ever waited long enough to let it get very big before
consuming. We still grow as one of our salad mix "greens".
William Brown mahiwai@cmpmail.com
(aka lettuce@hilo.net)
----- Original Message -----
From: Adriana Gutierrez & Dennis LaGatta
To:
Sent: Friday, April 23, 1999 4:20 PM
Subject: Bright Lights Chard
>Is anybody growing the Bright Lights Chard featured in this month's
>Organic Gardening? Johnny's sales rep says that only some of the colors
>come out at the baby stage and you have to grow it larget to get the
>pinks and reds. How is the flavor at both baby and full-size?
>
>We've had good response using both Malabar spinach
>> and swiss chard in our salad mix, as long as we used the young, tender
>> leaves. Since their seasons only overlap for a short while, we very
seldom
>> used both at the same time.
>
>Adriana
>Green Cuisine
>
S&S Aqua Farm, 8386 County Road 8820, West Plains, MO 65775 417-256-5124
Web page http://www.townsqr.com/snsaqua/
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