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PostPosted: Jan 16th, '14, 00:33 
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Yes, for my "learn-by-doing-kill-a-few-fish" system:

http://www.backyardaquaponics.com/forum/viewtopic.php?f=18&t=17369

I'll be sure to start a new thread once we move and I get started on the "big" system.

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PostPosted: Jan 16th, '14, 01:22 
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Ah yes, now I remember. It is a good looking system.

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PostPosted: Jan 20th, '14, 05:35 
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Seriously, this cant be healthy.
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Just note that making a "round ish" tank out of lumber and liner is going to be a bit inefficient on the liner usage since you will have lots of big folds. The liner piece is going to have to be twice the depth plus the width at the widest point plus a few feet Square. Handling and folding such a large piece of liner can be a lot trickier than it might seem on sketchup.

I warn about my aversion to using lumber in contact with liner now days since I did experience termite damage. Granted, Florida is very termite prone since we don't get hard winters and the Real Estate agents say there are only two types of structures. Ones that have termites and ones that will have termites. Wood and liner shale not touch in my systems anymore (not even treated wood.)

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PostPosted: Jan 22nd, '14, 21:11 
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Actually, I've mocked up the liner with a paper scale model to figure out the folds, and there isn't an awful lot of waste. A 20' x 20' EPDM liner is only $260. Total for lumber should come in under $400. Considering a 2000 gallon aquaculture tank is around $2500, this design is certainly a savings.

As far as termites go, if all goes as planned the tanks will be in a metal building on a concrete slab floor.

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PostPosted: Jan 22nd, '14, 21:36 
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Jeff,

I dont like to be discouraging but i agree with TCLynx,

I can see from your thread that you do nice wood work and you obviously feel most comfortable with that medium. I am personally moving away from wood and liner because they do not have the long life expectancy of ferro. Also, I could get a 1500 gallon water storage tank from tractor supply for $850 so once you calculate time involved I dont see a huge gain to using wood and liner that I expect to have to replace at least the liner every few years.

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PostPosted: Jan 23rd, '14, 11:14 
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They have round conical bottom 1500gal tanks for $1,175. at Polytanks.com but you would still need the base or have to make one.

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PostPosted: Jan 23rd, '14, 14:03 
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well,
1) i wasnt talking about conical bottom tanks from a random web site,
and
2) i wasnt talking about wood fish tanks on my ferrocement thread, so i dunno what is going on here.

brian

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PostPosted: Jan 23rd, '14, 14:27 
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Helping to spread the wisdom that is Aquaponics. each and every one of us will settle on what suits our situation.

I started with Wood and liners because it was quick now for the next GB I will try ferrocement as I now have way more time.

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PostPosted: Jan 23rd, '14, 21:33 
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I have a friend who runs a commercial greenhouse here in Galveston and he used ferrocement for his fish tank, swirl filter, and sump. The major drawback I see is the lack of portability. Well that and it took him over a year before his pH finally dropped below 7.

https://www.facebook.com/media/set/?set=a.137051423030493.26230.131226800279622&type=1

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PostPosted: Jan 23rd, '14, 21:45 
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Yeah, portability is my biggest concern, as I know I'll be dumping my suburban confines in just a few years. Once I get set up on my lifetime goal of my farm, I'll certainly consider ferro tanks, or maybe just cast concrete in forms with a waterproofed interior.

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PostPosted: Jan 23rd, '14, 22:18 
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I grow tired of these constant sideways arguments. What are you trying to say?

Are you saying a 10'x10' wooden tank is portable? more portable than a 1500 gallon plastic water storage tank? You still didnt explain what relevance a conical tank had to my water storage tank suggestion?


I am familiar with Island Aquaponics.

I plan to be at my location a long time so i am not concerned about portability. If i was planning to move in 4-5 years i would probably just build a wooden tank and wooden grow beds and hopped they lasted .

I also have addressed the ph issues in this thread, maybe you should read it?

Not to mention my ph is already at 8 because of the expanded shale grow media. High PH is not the end of the world if you accept it and know how to manage it, but anyway, the cement isnt going to bring my PH up any more.


I am completely ok with people having different preferences and priorities. Everyone is going to build their system differently, but this is not a linear discussion, and if you respond with another random and off the wall comment i am just going to ignore you going forward.




brian

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PostPosted: Jan 23rd, '14, 22:29 
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Ferrocement is awesome!!!! hahahaha, relax!

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PostPosted: Jan 24th, '14, 03:19 
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I'm sorry . . .

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PostPosted: Jan 24th, '14, 05:35 
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Mr Cotton that looks and sounds strange calling someone else Mr Cotton, but any way did you get that GB planted out yet.

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PostPosted: Feb 1st, '14, 18:18 
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No i havent been able to fill the grow bed yet, The weather hasnt cooperated, It seems we get a freezing cold front every 3 days...

so i am still waiting to paint the grow bed. Last weekend was nice but i went out of town.


brian

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