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 Post subject: Re: MIDWEST IBC System
PostPosted: Apr 11th, '16, 17:21 
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Neat auger design. Have you given any consideration to countersinking the bolt holes, or something like that, so the nuts and bolts are out of the flow of the material being moved?

I've been meaning to ask, not taking into consideration all the satisfaction and knowledge gained, etc. from building your own from scratch, how would you compare your Griffin 3D printer to one of the low-end (sub $500 USD) 3D printers you can buy off the shelf now (e.g. Microcenter.) I would love to build my own, but I'm not aware of any makerspaces, or clubs, or other hobbyists, down here in Costa Rica where I could use an existing 3D printer to print my parts. My best bet would be parts, or a kit, I could smuggle down in my suitcases when visiting the US.

XYZprinting da Vinci 1.1 Plus - $499
Q3D TwoUp 3D Printer Kit with Heated Bed - $360

The last thing I built like that was an XYZ CNC machine using steppers initially run by bit-banging a PC's parallel port. Later it was upgraded to using real stepper drivers. It worked great for milling plastics and soft metal like aluminum. I never really used it for milling anything hard like steel.

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 Post subject: Re: MIDWEST IBC System
PostPosted: Apr 16th, '16, 07:21 
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I really don't know much for either one. Q3D Maybe good to learn on and expand from there. Use it to make Parts for a second larger printer in the future. The XYZ I think uses its own slicing software so you are limited to just using their program. You cant use Slic3r or Cura to convert to gcode for it. Mostly went with the Griffin because Doug the creator if it started it out of the hackerspace and turned it into a business. He has been very helpful for design and feedback with his work on the pro models and people building their own griffin at the space. If you wanted to build from the OS plans you could probably get the printer in the high $400 or low $500. Shipping would kill you still. I got 5 used stepper motors for $30. New they might have gone for $15-$20 each. A good cost of the printer was the parts from open builds at maybe a good 1/3 of it. Wheels and rails are somewhat expensive.

With the auger using bolts and zip ties are one way. I made it so that I could use 3mm filament as a rivet and melt the parts together with a soldering iron. Strong solid one piece after fusing. This second one that I'm making I joined them together using friction welding. A piece of 3mm in a Dremel works well for that, also you don't contaminate the pla with a lead soldering tip.

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 Post subject: Re: MIDWEST IBC System
PostPosted: May 9th, '16, 02:06 
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I got my cheap Chinese venturi in the mail a few days ago to use for aeration. I think it does OK.

My water is still a bit colored. Forgot to remove all leaves and water is stained. I would show the 15 10"-12" catfish in the fish tank, but hard to see the bottom.


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 Post subject: Re: MIDWEST IBC System
PostPosted: Jun 17th, '16, 21:07 
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Lost all of the catfish yesterday. Sump ran dry leaving the growbeds full. That venturi that was working well for aeration did nothing. Catfish died from low oxygen sometime yesterday morning I am guessing. The slice of bread that I put in the morning was still there at 7pm


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 Post subject: Re: MIDWEST IBC System
PostPosted: Jun 17th, '16, 21:40 
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Ouch, that sucks


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 Post subject: Re: MIDWEST IBC System
PostPosted: Jun 17th, '16, 22:29 
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Sorry man. It looks like you can't catch a break latley

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 Post subject: Re: MIDWEST IBC System
PostPosted: Jun 19th, '16, 05:01 
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All 15 catfish accounted for.

I lost 3 before this happened. Removed 10 from the IBC Thursday thinking I had lost 2 to something/animals found them in the RFF Yesterday. The smell is so bad still. Dumped the IBC Thursday and refilled with fresh yesterday. Hopefully add some fish back to the IBC next week. May just get 30-40 Feeder Goldfish at $0.15 a piece.

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 Post subject: Re: MIDWEST IBC System
PostPosted: Jul 12th, '16, 09:12 
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12.9 and 4.8 ounce cucumbers.


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 Post subject: Re: MIDWEST IBC System
PostPosted: Jul 12th, '16, 09:15 
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Added some feeder goldfish lost all but maybe 6. Still do not have the bio load as before with the catfish.

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 Post subject: Re: MIDWEST IBC System
PostPosted: Aug 10th, '16, 09:33 
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After several months I have a updated video of the system



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 Post subject: Re: MIDWEST IBC System
PostPosted: Apr 6th, '17, 04:20 
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This system needs some work. My no kink hoses are needing to be replaced and will go with hard connections from the sump.

I will add a few pictures of the current state of the system tonight.

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 Post subject: Re: MIDWEST IBC System
PostPosted: Apr 12th, '17, 07:52 
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Current state of the system. Trying to age some of the water and will go with a fishless cycle maybe and try again with catfish this year.


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 Post subject: Re: MIDWEST IBC System
PostPosted: Apr 17th, '17, 07:28 
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I redid some of the plumbing yesterday and today. Trying to limit the use on the soft connections.


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 Post subject: Re: MIDWEST IBC System
PostPosted: May 3rd, '17, 01:59 
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I have fish now but dealing with tea colored water like in the above pics. I did not have this much of a issue last year starting my system.

What is a good way to remove the tannins? I have read water changes, uv clarifier and activated carbon. :dontknow:

We had a good rain the last few days that the sump overflowed (over 12 inches (304mm) of rain) This has helped a little. I have a uv clarifier but thought it was more for algae issues and not tannins. I have some activated carbon, but will need a way to hold it in the flow.


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 Post subject: Re: MIDWEST IBC System
PostPosted: May 3rd, '17, 02:05 
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Also before adding fish I was at 7.4 pH all other readings are very low on the API test scale. Figured I was OK due to frog eggs and mosquito larvae in the water.

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