Aquaponic Gardening

A Community and Forum For Aquaponic Gardeners

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Trout Growers

Aquaponists who are growing their plants with trout

Members: 142
Latest Activity: Jun 22, 2018

Places by state to by trout fingerlings

Colorado
Boulder - Klein Creek Trout farm will sell you rainbow fingerlings

Discussion Forum

Fish Run or Tank

Started by Bob Murray. Last reply by Bob Murray Jan 16, 2018. 2 Replies

Greetings  I live in WV and have no system or experience YET with aquaponics on top of that our temperatures here going from the high 90's in the summer (high humidity) to the low single digits in…Continue

Tags: raceways, tanks, trout

Trout in tidal fishtank

Started by Lorenz Michels. Last reply by Jim Fisk Aug 19, 2016. 3 Replies

Hi,I am currently building an aquaponics system. In my design I have 4 IBC's of 1000 liter (= 264 US gallon). Three of which will be a fish tank and one of them will be a sump tank. I plan to use…Continue

Tags: growbeds, beds, kweekbed, regenboog, forel

What do yo do to keep your trout tank water cool?

Started by Tom OBrien. Last reply by Lisa O'Toole Jan 4, 2015. 23 Replies

Do you try to cool your fish tank water? Or do you just monitor the water and maybe feed less when the temperature goes up? I've got the fish tanks in the basement so they aren't seeing the 90 degree…Continue

Dissolved Oxygen/Tank Loading

Started by Phil Slaton Jul 2, 2014. 0 Replies

One of the most important items to consider is Dissolved Oxygen and Tank Loading in your fish tank.  You overload a tank’s dissolved oxygen supply and you will experience a fish die off back to the…Continue

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Comment by Jim Fisk on September 17, 2013 at 8:14am

Here is the diagram of the bio-filter.

And here you can see 6 photos of it used as a recycling trout tank filter.

And 10 more construction photos just uploaded photos here.

Dimensions can be estimated from photos but feel free to ask and I will get back to you eventually.

Comment by Blue Hiller on September 17, 2013 at 6:12am
My ammonia bounced pretty radically since I stocked (possibly overstocked). I skipped feeding them for a day and was wondering if I could go for 2 days?
Comment by Blue Hiller on September 14, 2013 at 1:56pm
Jim,

Can you give me some details on your recycling bio filter? Thanks.
Comment by Jim Fisk on September 9, 2013 at 6:56pm

I have 3 clear panels spread over 24ft on the N side fish room. Subdued light but plenty to work by. I feel every creature deserves to know if it is day or night. Here you can see the panels on the roof during construction.I

Comment by Blue Hiller on September 9, 2013 at 5:25pm
Any comments on keeping trout in the dark? Currently they are in my GH which I might reconfigure in the Spring. Can't see keeping the water below 72 any other (practical) way. Thinking of building onto shaded North side of GH. Would trout need/prefer a small window to know night/day?
Comment by Blue Hiller on September 9, 2013 at 9:36am
Good advice!
Comment by Jim Fisk on September 9, 2013 at 8:06am

I have bounced over a period of days, between 70 and 72F pretty much all summer long and I see no problems at all. Trout are hungry and healthy. When I do an IBC dump and refill during a harvest the makeup well water will drop it to around 68F. At 59F the bacteria in the system slow down and I have a harder time keeping the water clear.

Comment by Tom OBrien on September 8, 2013 at 10:18pm

Blue, There was a "warm water trout" thread a while back where one of the people posted a nice chart showing temperature vs growth rates for trout. 59 F sounds about right for the optimal growth rate. It might be worth searching for because there were some interesting comments about raising trout in water above 70 F.

Comment by Blue Hiller on September 8, 2013 at 3:57pm
Mission control....trout have landed! I have 50 5-6" (in 300 gallon) and 50 2-3" (in 100 gallon). 24 hours later and no DOA. Temp is fringing on 70F (peaked at 72 and I drained 25% and refilled from well...back down to 68). Glad I am not trying to figure this out in July/August. Thinking I need to reconfigure system in the Spring. I can add 3-4 IBC externally (in-line) and create a separate "fish-area" plumbed straight into GH. Thinking to frame, wall, and backfill with sand. I am on bedrock so can't use ground cooling. Nice thing is that the spot for this is shaded North side of GH. Summer is my only real temp concern up here in Maine.

My Question: light....better for the trout in the dark, semi-dark?

Next question: what temps have you pushed? My man from the hatcheries said 59F optimal with a +/- 10 swing. Wondering if everyone agrees or has additional insight.

Thanks!! :D
Comment by Blue Hiller on September 1, 2013 at 11:43am
All good advice. Thanks!
 

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