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PostPosted: Dec 1st, '10, 09:08 
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Troutman wrote:
There is a bloke in Bridgetown doing aquaponics who kept his water at 22c or above all winter using his pot belly stove.


One of these would work well and very easy to install, a plumbing mate of mine installed a bigger version in his house tied in with the solar panels...he doesn't pay for water heating anymore :D

I'd imagine you'd just need a heat transfer unit so actual fish water doesn't go through the copper pipes


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PostPosted: Dec 1st, '10, 10:18 
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chillidude wrote:
How about piping through compost TM ?


I know thats what Freo TAFE plan to do with the aquaponics system they are setting up at Murdoch. Going to be very interesting to see if they can keep the water warm enough for the Barra all year which is their intention.

gnash06 wrote:
One of these would work well and very easy to install, a plumbing mate of mine installed a bigger version in his house tied in with the solar panels...he doesn't pay for water heating anymore

I'd imagine you'd just need a heat transfer unit so actual fish water doesn't go through the copper pipes


I'm planning on using the wood heater and insulation to warm the room (where the tanks are housed) rather than heating the water itself. I think this way is much more efficient but only time will tell.

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PostPosted: Dec 1st, '10, 11:12 
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... Just left a voicemail msg with Señor Bart, inquiring about remaining barra stock & price. When I know - you will know!

Thanks for the heads up, Ivan!


BTx


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PostPosted: Dec 1st, '10, 11:39 
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... And it's an affirmative! Gots me 20 for collection Friday AM. $2 a head (or tail).

Anyone NOR want any? Ring the man n arrange for them to be collected with mine n I'll get em to the North Perth area for ya!


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PostPosted: Dec 1st, '10, 12:29 
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Troutman wrote:

gnash06 wrote:
One of these would work well and very easy to install, a plumbing mate of mine installed a bigger version in his house tied in with the solar panels...he doesn't pay for water heating anymore

I'd imagine you'd just need a heat transfer unit so actual fish water doesn't go through the copper pipes


I'm planning on using the wood heater and insulation to warm the room (where the tanks are housed) rather than heating the water itself. I think this way is much more efficient but only time will tell.


Your going to spend alot of time loading the fire each day, ever thought of a pellet stove? they were the heating of choice when I was in Maine, USA.
You load the hopper behind the unit with the pellets and it practically runs itself, you just dial in the temp you want.
The pellets were real cheap and you get them by the pallet, saves cutting wood etc but the only downfall is the auger that feeds the fire box is run off mains electricity.

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PostPosted: Dec 1st, '10, 13:08 
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I think it depends on how good your insulation is as to how often you have to light up the fire. Im talking aquaculture tanks here so I dont have to worry about losing heat thru the growbeds.

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PostPosted: Dec 2nd, '10, 13:42 
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ivansng wrote:
Apparently GP top up their stock in the aquarium showroom from their big tanks on Monday/Tuesday, so those fishes will only be subjected to lousy water conditions for a day or two compared to 4-5days.. If you are going to buy more barra, just buy them from the Bedfordale guy... cheaper in the long run...

EB is so happy with his purchase from the Bedfordale guy that he made a video.. Although I reckon the reason the barra are not eating is because EB keeps disturbing them with his underwater video...
viewtopic.php?f=2&t=8647

In regards to your system, not sure... what are your other water test results?

my water results are 7.2 from the bore and in system 7.8 palnts were tomato,brocolli and lettuce which are poor showing the system sits in a shade house I reckon the cloth could be 70-80% not sure but at the moment are feeding 1 a day and housing some sp 4 goldfish and the young bloke put in a marron.


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PostPosted: Dec 2nd, '10, 14:01 
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BlueThumb wrote:
... And it's an affirmative! Gots me 20 for collection Friday AM. $2 a head (or tail).

Anyone NOR want any? Ring the man n arrange for them to be collected with mine n I'll get em to the North Perth area for ya!


BT, What size are the barra and does $2 get head and tail :laughing3:

Cheers Rob


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PostPosted: Dec 2nd, '10, 14:09 
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Approx 102-103mm each.

Yes head - and yes tail. Bonus!

Am collecting at 0930 as per my/your PM.

BTx


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PostPosted: Dec 3rd, '10, 12:16 
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Had the pleasure of meeting TonyAbalone this morning, and he was kind enough to show me all that Challenger Tafe had to offer with a cooks tour - highly recommended! The kingfish broodstock are amazing - like torpedoes!

Anyway - grabbed my 100mm barra. They are now $1.80 each and they have about 600 left to sell - SO -

GET DOWN TO FREO TAFE N BUY YOUR BARRA ASAP!

They aren't monsters, but if your got a well-established system you can ram 'em with food quick enough and you should be able to get some meat off the bones come Easter next year!

BTx


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PostPosted: Dec 3rd, '10, 12:37 
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BlueThumb wrote:
The kingfish broodstock are amazing - like torpedoes!

What, the mulloway didn't do it for you ?

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PostPosted: Dec 3rd, '10, 12:40 
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chillidude wrote:
BlueThumb wrote:
The kingfish broodstock are amazing - like torpedoes!

What, the mulloway didn't do it for you ?


Mate, it was all very overwhelming! They should turn that place into the halco lure testing station!

The mulloway were incredible - I aint ever seen mulloway like that. The monster Swan River mulloway are prolly a thing of the past ...


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PostPosted: Dec 3rd, '10, 21:00 
:D

That was always the trick played on Cert II students at the Natfish course... get them to stick there head under the cover...

And feed the mulloway brood stock.... :laughing3:


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PostPosted: Dec 4th, '10, 16:35 
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I hope to get the time to go down to bedfordale tomorrow to get a few barra (up to 10) for christmas. I may not have many more opportunities (new baby due soon). The only container I have handy is a 70L esky (36cm deep, 50cm long). Will that be big enough for any plate size barra at all? If so how many? If not, what size esky would I need? I do have aerators. Will need to get the fish from Bedfordale to Toodyay.

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PostPosted: Dec 4th, '10, 20:02 
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Hi Dazed,
The fish are big and a 36 litre esky will not give them much room to move. I think they would be stressed with a trip to Toodyay. You will cewrtainly need an air pump to be safe, having not done too much fish transport not sure how much space you need, sorry :dontknow: It will help them if you add salt to their transport water as it helps to activate their slime coat, a fish defence mechanism. At leat 3ppt.

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