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Big concrete water tank - utilising mass 
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Joined: Sun Mar 09, 2014 9:57 pm
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Post Big concrete water tank - utilising mass
We have just moved to a small farm and trying to establish a more self sufficient existence.

We have a big concrete water tank. I have been thinking of constructing a lean to grow house against the sunny side of the tank. We have plenty of straw bales so also considering using some to make easy walls and benches/shelving. Would the thermal properties of the tank offer much benefit? 

Picture attached of tank (taken in the morning, usually the sunny side).


IMG_2014031144381.jpg [ 55.42 KiB | Viewed 547 times ]
Tue Mar 11, 2014 7:08 pm
Enthusiastic Gardner
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Post Re: Big concrete water tank - utilising mass
I have a friend who has built around 2/3 of her water tank. On the south side it is always cool and makes a good storage area - she keeps eggs and animal food in there and the eggs seem to last for ages.
On the north side she has built aviaries and in the winter the concrete tank warms and the cages are warm and dry.

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Wed Mar 12, 2014 2:58 pm
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Post Re: Big concrete water tank - utilising mass
Water has a very high energy density. Takes a long time to heat up and slow to cool down.

So your tank would be a great heat sink/source just as crinia's friend has found.

If you also put a radiator in the green house and circulate water for the tank through it you could make even better use of the water mass. ( it's adds somewhat to the complexity though ;) )


Sun Mar 30, 2014 8:56 am
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