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PostPosted: Feb 29th, '16, 09:53 
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Location: Bullaburra, Blue Mountains NSW
Hello all,

I am currently planning my system for when I move into my new place in Bullaburra in the mid/upper blue mountains.

The problem I am facing is that it this area has pretty extreme temperature swings throughout the year, going from
35ºC in Feb to -5ºC in August (these are the extremes) Long term averages are are high of 22.9ºC in Jan and a low of 1.5ºC in July. Full data here: http://www.weatherzone.com.au/climate/s ... e&lc=63227

Now I was thinking of building a IBC system in a polycarbonate greenhouse with a concrete slab as the foundation, and from what I have read Murray Cod or Rainbow Trout would be my best bets for fish.

I am just a bit confused as to what happens if the temperature does hit 35º in summertime if I have cold water fish? Also how would one prevent frost inside the greenhouse, would the whole house need to be heated, or just the water?

I am a complete novice when it comes to Aquaponics but I have been studying a lot of material to try and plan as best I can.

Any help would be greatly appreciated :)

Cheers,
Craig.


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PostPosted: Feb 29th, '16, 12:17 
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Welcome to the forum.

In a lot of cases in Oz, members purchase trout fingerlings in rely winter and harvest before the warmer weather hits, Id expect you could push it a little further in your cooler climate. Advanced Silver Perch will tolerate all year round temps but become dormant in the cooler months.

Its all in the timing.

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PostPosted: Feb 29th, '16, 13:37 
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RT would be easy in the BMs, as really hot days are not all that frequent. You'd be able to put them in in March and harvest in November-December, plenty of time to grow them quite large.
Unless you have a really huge greenhouse with not much in it, the heat in the water and GBs transferring to the air at night would generally prevent any frost.

Burying your FT in the ground can help a lot with temperature stability, as can shading the GBs in summer and maximising their solar exposure in winter.

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PostPosted: Mar 1st, '16, 09:39 
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Joined: Feb 29th, '16, 09:35
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Location: Bullaburra, Blue Mountains NSW
Thanks Guys, great advice.

I also found this link which gives a good run down of fish and what to do in colder climates for anyone else who may be in the same situation.

https://www.frostyfish.com/2014/11/12/f ... trategies/


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