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PostPosted: May 9th, '17, 11:40 
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Hi all,

I have been a long time lurker on this board and after my last 2 trials I have decided to take the plunge with the idea of working towards a more permanent setup... I even got the wife's approval! (Had to feed her salad from the table that she hated. Total bribe...)

Some history if you care :)

Stumbled on this forum 2 years ago and got interested enough to make a few tests. The first was with a pump and sprayer, then onto a dwc table.

Just a cheap tote from lowes, small pump, garden sprayers tapped directly into the pvc pipe. Here is a picture from Dec 12 of my test.

Attachment:
IMG_20141226_200006.jpg
IMG_20141226_200006.jpg [ 38.98 KiB | Viewed 420 times ]


I was just looking to see what the growth difference was between my small setup and dirt. (When I grew up we had a large garden. I have decided dirt growing ins't for me but, I love the fresh food.)

I was so impressed that I went out and created a DWC table. Now I made the table very deep because I didn't have a tank. Here are a few pictures of that.


This you can see the pot in the frame, I had it floating on the raft so it would have the same amount of light. I wish I had pictures of it in the same picture but, I was so excited I messed that up.

Image

This is a picture of the aeration disk I used. ( i got it cheap $12, I had it in the container as i put rock in the bottom to stop it from floating.

Image

And here is the effect, so I messed up and missized the air pump. :dontknow: Only one answer put 3 disks in one at each end and the middle.

Image

Now here is the table jan 28th.

Image

Feb 6th

Image

Here is the last at Feb 28th.

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The table reached the end of its experiment and the tomatos on the back line proceed to take over everything...

Image

We ate good out of that table for some time, now I want more. I am planning to have a 24x48 greenhouse sometime this year but, everything I build will be outside. I found 3 IBCs that I plan on having my first batch of fish in. In the end I plan on replacing them when I get a greenhouse built. Now for fish I would love to grow some channel catfish. ( I would like to grow another type but, slow first. Uhoo also i have been reading on growing crawfish... need more research on that though.

The first step I am taking is building the grow beds. Here are some rough scatches for you to look at but, a quick run down is:

4x8x20 1/2

I plan on putting blueboard insulation between the liner and the 3/4 plyboard.

This will let me get up to 16in for media if I want to convert it between DWC or Ebb and flow. I am currently planning to build 2 of them, one for river rock the other is dwc. (my original bed was put together with some scraps and is going to be converted into a wicking bed.)

My thinking is in the end I can minerilized the soilds that in a seperate can and then feed that into a 4in pipe that will run along the bottom of the wicking bed. Then I will plant potatoes, carrots, beats in there. Oh here is a snap shot of the sketches for the tables.

rough volumes:

media: 1.58 cubic yards
gallons: 320

I know my handwritting is chicken scrabble so at the top is a bill of materials, the image below is the framing. Attached to that will be 3/4 plywood and blueboard. (3/4 foam insulation)

Image


Here is a picture of a cross section.

Image


The current cost in materials for the beds at lowes is $240, then I will need to add the liner. I am thinking of purchasing a 25x25 sheet of Firestone Pondguard EPDM. This will be enough material to carry me to the end of this project.

I think the correct method is RFF > up flow > mmbr. Let me know if I don't have this right but, a MMBR would allow me to switch both beds to a dwc if I wanted? As it will give the bacteria a place to live if the system doesn't have the media in it?

I have found a place that will sell me a cubic yard of river rock for $120, i took some and placed it in an acid of a PH 1, some bubbling but, it stopped after an hour and raised the PH to 1.67. I washed the rock and then put it in water with a ph of 6.87 it stayed stable for 3 days with very little drift. I think that will be safe to use correct?

If you have read this far thanks for staying and would love to hear any advice or references you think I should check out!


Last edited by Selutha on May 9th, '17, 13:09, edited 1 time in total.

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PostPosted: May 9th, '17, 12:51 
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Welcome to the forum :wave: . A couple of the images didn't come through but looks interesting :thumbright:


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PostPosted: May 9th, '17, 13:10 
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Fixed I think :)

One more for my current toy while I rebuild :)

Image

Wrapped foil around the buckets to cut down the light, I wanted to do some testing with temp vs panda film but... nothing growing at the moment and it was killing me. I still might get some more and setup a PI to do some automated temp recording.

There was some wilting, i was only running the pump 3x a day. Found out it was drying in the heat, so I have increased the feeding to every 2 hrs for 15 min. Now they are perky and happy. Have to take a new pic :/ ... why does it sound like I am sharing porn when I say that? :whistle:


Last edited by Selutha on May 9th, '17, 13:15, edited 1 time in total.

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PostPosted: May 9th, '17, 13:15 
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Looks better :thumbright:


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PostPosted: May 9th, '17, 21:54 
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24x48 green house, you must have got a really big approval. Subscribed.

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PostPosted: May 9th, '17, 22:48 
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There is a tick to it :) My wife is a vegetarian, so I used the following method:

1) Feed her a Sammy made from speckled butter crisp, Purple Calabash tomatoes, homemade mayonnaise, herb pesto from the aeroponics system, and a few baby mustard leaves from the dwc.

2) Have her use the table as a grocery store for salads. (She would take a bowl out there and make a salad for dinner.)

3) Buy some produce from the store that is the same type that you are growing and have her taste them side by side.

Now the most important part... Harvest the whole table and take it down... During the raging, use excuses like:

"Its too small, and wont feed us."
"I want the garage space back"
"I am bored with it."
"Table needs to be rebuilt."
"We would need a much large setup to grow mustards and greens along with everything else you want." (we go though a lot of greens every week.)

Then hit her with plans for a 24x48 green house, back it up with what you could grow, and when she talks about store verities tell her about herlooms!

http://tomatoheadquarters.com/tomatoes-farm/heirloom-tomato-varieties-flavor-profiles-related-to-color/

Back it up with research, plans, links, ideas, and excitement!

Then to push her over the edge, forward flip on the ground, and beg her while knocking your head on the ground by her feet while crying. :cheers: :thumbleft: :thumbright:

Pride? don't need it, completely willing to trade for my aquaponics project. Bribery not above it! Getting someone hooked on it like a drug attic... that just makes the discussion of funds easier.


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PostPosted: May 9th, '17, 23:30 
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So I think I am going to order the EPDM unless someone has a better idea, the 25'x25' will allow me to cut 6 tables from it with zero waste.

I count 100"x149" that will give me 5 in of overhang to nail on the sides and 6" for the top and bottom.


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PostPosted: May 10th, '17, 01:41 
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So looking at the cuts on Dura-skrim r20ww, I would needc at least the 12ft by 75ft to cover my planned tables.

Looking at amazon and a few online retailers they don't sell that width in 75ft so I could do it with 2 40ft, cost of that:

Dura-skrim : $239 x 2 = $478
firestone epdm pondguard: $393

Then I would need to pay shipping :/

I am pretty sure that the firestone will cost more in the end due to the shipping weight but, from my reading I think it is more bullet proof too!

Does anyone have a favorite supplier or another product I should look at? (I even looked at using stainless steel but it would bring the cost up too high. Though I might venture down that road after a few years of doing it this way. )


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PostPosted: May 10th, '17, 04:18 
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I didn't have as good of luck finding a cheap price like that on EPDM. I was thinking you could save shipping costs but I'm not certain it would matter at that price.


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PostPosted: May 11th, '17, 09:38 
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Selutha wrote:
So looking at the cuts on Dura-skrim r20ww, I would needc at least the 12ft by 75ft to cover my planned tables.

Looking at amazon and a few online retailers they don't sell that width in 75ft so I could do it with 2 40ft, cost of that:

Dura-skrim : $239 x 2 = $478
firestone epdm pondguard: $393

Then I would need to pay shipping :/

I am pretty sure that the firestone will cost more in the end due to the shipping weight but, from my reading I think it is more bullet proof too!

Does anyone have a favorite supplier or another product I should look at? (I even looked at using stainless steel but it would bring the cost up too high. Though I might venture down that road after a few years of doing it this way. )



Americover.com - $430 (inc S&H to FL) worth trying. That's a 18x50 roll.


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PostPosted: Jun 20th, '17, 03:42 
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So here is a prototype bed I am thinking.



collecting materials and building 2 sides.
Image


Here is the framing for the long sides.
Image

Finally the base.
Image

Moved everything as I got rained out.Image

I did make one mistake the base was cut at 51" that was too long, it should have been 49.5" I also plan on adding a 1x6 rail to the top once I have the liner in.

Now i just need to place the plywood and blueboard insulation inside before using it.

(my wife did make a request that i make it prettier... so now i will need to add white trim to the corners, and hardy board sides... so it matches the house... lets not mention that this is going into a green house! Here is a picture I have to match.

Image


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PostPosted: Jun 20th, '17, 03:47 
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Oh current BOM

15 x 2x4x10 PT
2 x 4x8x3/4 PT plywood
2 x 4x8x3/4 blueboard
1 x 1x6x16 pvc deck
1 x 1x6x8 pvc deck


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PostPosted: Jun 20th, '17, 04:59 
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Do you have pics of your framing before you put the plywood down? I like the bed

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PostPosted: Jun 20th, '17, 22:49 
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Hoosierdoc wrote:
Do you have pics of your framing before you put the plywood down? I like the bed


Hey Hoosierdoc,

Which bed are you looking at, the new one or the one in use (its in the picture by my pump house.)? They are completely different builds. If you let me know which one you are looking for I will try to get you what you need.

If you are looking at my current build there are plans above, I will even post the cuts you want to make for little wood waste.

If you are looking for the older one, I don't have the plans any more but, I am completely willing to get some pictures and measurements.


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PostPosted: Jun 22nd, '17, 01:51 
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So here is a prototype bed I am thinking.



collecting materials and building 2 sides.
Image

Here is the framing for the long sides.

Image

Finally the base.

Image


Moved everything as I got rained out.

Image

I did make one mistake the base was cut at 51" that was too long, it should have been 49.5" I also plan on adding a 1x6 rail to the top once I have the liner in.

Now i just need to place the plywood and blueboard insulation inside before using it.

(my wife did make a request that i make it prettier... so now i will need to add white trim to the corners, and hardy board sides... so it matches the house... lets not mention that this is going into a green house! Here is a picture I have to match.

Image

* repost, not being able to edit my old post makes me sad... :(


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