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Hydroponics meets SFG

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Hydroponics meets SFG

Post  ralitaco on 9/8/2014, 9:06 am

stumbled upon this site while researching Table Top gardens. 


Hydroponic Flood Tables and Stands



I was looking for 4' x 4' plastic tray to put in a TT so I wouldn't have to worry about rotting plywood or using treated lumber AND would look pretty in the yard.

now these are not the most cost-effective but they look like they could be an option, especially if you live near this company in TX or if you can find them on CL.
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Re: Hydroponics meets SFG

Post  boffer on 9/8/2014, 10:20 am

Ouch on the price!

Have you considered making your own out of fiberglass? If you need more than one, it would be more economical. Lots of how-to info on the net.

http://www.wikihow.com/Fiberglass

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Re: Hydroponics meets SFG

Post  walshevak on 9/8/2014, 11:07 am

If you are not wedded to the 4x4 size, then use the cement mixing tubs. There is another forum member that made tabletops using them and Boffer made a rolling cart. They can even be made self wicking using rain guttering nailed on 2x4s supported by anything to any height.  I just set my tubs without a wicking system  on 4 cinder blocks turned on end.  Grew sweet potatoes last year, garlic this past fall and moved the tubs under a tree for lettuce and radishes this summer.  I have 2 tubs alternating for successive crops.  Best of all, I can move them with just one other person without taking out all the MM.  I still have my 4x4 tabletops which I love, but this is an option,

Here is a Utube video of a self-wicking rain gutter system.  Note the oblong containers. They are Sterilite containers which I have used, but found to be too shallow.  I would set a tub with 4-6 net cups on a double gutter system covered in plastic to ward off mosquitos.

 http://www.youtube.com/watch?v=LQIjF7TcNcg

Boffer, you are the experimenter in this group.  Could the bottom on 1 tub be cut out and somehow be fastened to another tub for a deeper bed?

Kay

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Re: Hydroponics meets SFG

Post  boffer on 9/8/2014, 11:33 am

Kay, it's definitely doable. The easiest way I can think of is to turn the tub with the cut-out bottom upside down and bolt it to the bottom tub.

The rain gutter wicking system is sure clever.

Another option is a washing machine pan/tray. But the biggest I've seen is 3x3, and they're only a couple inches deep.

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Re: Hydroponics meets SFG

Post  sanderson on 9/8/2014, 12:31 pm


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Re: Hydroponics meets SFG

Post  yolos on 9/8/2014, 1:05 pm

I used two concrete tubs stacked together.  Drilled holes in the top tub.  Put 2 x 2's in the bottom tub to keep the top tub suspended.  Then filled the bottom tub with water.  I did not use any thing to wick the water up into the top tub, but that should be easy to do.
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Re: Hydroponics meets SFG

Post  Marc Iverson on 9/8/2014, 4:09 pm

Can you show us a pic of yours, yolos?

Re that expensive table in the first post, isn't it basically, or the equivalent of, cheap EMT pipe that most anyone should be able to get at Home Depot type stores and put together inexpensively around whatever size tub they find?
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Re: Hydroponics meets SFG

Post  boffer on 9/8/2014, 9:50 pm

The EMT would carry the weight, but the fittings would be a problem.

1. They don't fit snugly like PVC, which would cause wobbling.
2. There isn't the variety of fittings like PVC.
3. They're considerably more expensive.

They make after-market non-electrical  fittings to make things like carports out of EMT, but they would get expensive real fast and be wobbly too.

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Re: Hydroponics meets SFG

Post  ralitaco on 9/8/2014, 10:16 pm

I didn't say I could afford those, but for the seriously carpentry challenged, it may be an option. I have seen some of the trays on other sites for about $89 but that is without shipping, still not cheap but they are out there. And there is always C'sList.

as for the stacking of the cement pans, since they have angled sides, you should be able to cut the bottom out of one and the top edge off the other setting the one with the bottom into the other, pull it up snug and pop rivet it in place. Or depending on how you built your table, just use gravity.



Last edited by ralitaco on 9/8/2014, 10:22 pm; edited 2 times in total (Reason for editing : added pic)
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Re: Hydroponics meets SFG

Post  Marc Iverson on 9/8/2014, 10:18 pm

They're wobbly? I was thinking of making a trellis frame out of EMT, but I guess that would be subject to less stress than a large tub full of water.
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Re: Hydroponics meets SFG

Post  boffer on 9/8/2014, 11:00 pm

A wobbly table supporting a couple hundred pounds becomes a safety issue.

An EMT trellis works very well.
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Re: Hydroponics meets SFG

Post  walshevak on 9/9/2014, 5:03 am

Yolos, I like your solution for a quick self wicking tub. For the construction challenged person like me, I can still support it with 4 cinder blocks turned on end.  Almost instant self wicking knee height tabletop.   I might want to put a paving square under the blocks for better stability with that extra weight.

And Boffer, I don't have a pop riveter, but I still would like to find a way to stack two tubs for a deep carrot bed.  How weather resistant is super glue?   Very Happy

I currently have my tomatoes in the double bucket self wicking model.

Kay

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Re: Hydroponics meets SFG

Post  martha on 9/9/2014, 9:26 am

Kay mentioned Sterilite. I know the man who owns the company. He is a wonderful man. He is a serious philanthropist, and hangs out with other philanthropists and a great educator. (They are frequent fliers at our restaurant.)Mr. Sterilite donated an entire new senior center and library to the town where Sterilite is located, with the caveat that the buildings not be named after him or his company.

I enjoy buying his products. Just sayin'!
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Re: Hydroponics meets SFG

Post  boffer on 9/9/2014, 11:22 am

Kay, for ralitaco's suggestion, nuts and bolts would work in lieu of rivets.

Later today, I'll test how well PVC glue will stick.



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Re: Hydroponics meets SFG

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