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Bio-Filter
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Comment by Jeff S on September 26, 2014 at 6:38pm
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OK who can tell me how to attach a PDF file?
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Tilapia fingerlings. Here is the article. I find all of it interesting but the part that covers this is under Solids Removal.
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Comment by Jeremiah Robinson on September 26, 2014 at 3:18pm
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Carp might do well in a situation like that. I hadn't heard of fingerlings, but I feel like I've read about people putting shrimp in their swirl filters.
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Comment by Jim Fisk on September 26, 2014 at 3:05pm
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Most of what arrives at the filter wouldn't be suitable for our trout but perhaps some other species. I'll let the bugs and bacteria take care of it for the time being which is working fine for many months now. Any idea what species of fish they were using as a trash feeder? I is a bit intriguing. Soldier flies would be another good muncher.
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I read an article where fingerlings were put in a radial filter to eat floaters and other build ups. Anyone heard about that?
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Hi, I'm back from the big city.
My design holds the floaters and they break down right in the drum. I started out removing them but got behind and when I finally got to it they were gone and the filter water looked great with just the solids on the bottom. I suspect a fly type critter and larvae was involved. I use the sinkers from the 3 swirl filters around the fruit trees about every 2 weeks or so. You need to have the volume, in my case all 3 are 15 gal drums, so there is room for the bacteria to work in. The outer bio section (30gal) on the 2 trout filters cleans itself. The only problem I have had on the bio is that one circ pump is a pos and the bronze bushings lock up about once a month even with synthetic oil. The other pump which has ball bearings has been running for over a year with no issues at all and only cost around 25.00 delivered off Ebay. Can't seem to find another like it so far. I will try and get to drawing up my final swirl filters soon as they are much simpler than the earlier one inside the bio filter in this drawing.
Winter is coming and I still have to build the wood boiler for the house and cut and split about 5 more cord so time is limited as well. Siphon sales have also picked up again. Vlad will be interested in my totally new woodstove/boiler design featuring a firebrick gasifier section below which allows more wood in the hopper. Pretty excited to get to test fire this puppy up. I will be using a 1000L IBC for storage at around 150F. From all that I have read it will take that temp in stride and I already have one. PU a 6' x 7" SS pipe for the boiler section for free from a dear next door neighbor. Details soon.
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Comment by Vlad Jovanovic on September 26, 2014 at 10:23am
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Yes, re-mineralization is what I was getting at (in both threads). If an operator is not trying to make a profit or minimize the cost of inputs, then these types of things become much less important. (Unless the operator is looking at things like environmental impact, where fish food comes from etc...then they once again start to come into play)...
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I mean I hadn't considered the organic molecule issue. I raise my seedlings to 4-6" high before I transfer.
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Interesting. Hadn't considered that. I figured they were like worm castings which have been great for my seedlings.
Any suggestions for better non-aquaponic uses? A worm farm would be one way.
I know Nelson Pade runs a secondary system entirely of removed solids and remineralized anaerobic bacteria sludge (there's probably a better term for this stuff).
For those not following, we're discussing something very similar here.
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Generally speaking, seedling don't really need much beyond moisture, oxygen, and light until after they develop their second set of true leaves...and those organic solids are about all but useless anyways until microbial action releases those elements, which are bound up in big clunky organic molecules, into their ionic component parts that are then usable by the plants. I feel you are robbing your plants, and your pocket book by using that strategy...if the goal is "sustainability" then you need to think about that sort of stuff
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