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No not at all.
Folk have their secret methods maybe.
I just have been looking into the problem.
This is an old bushy method of cooling beer which I am trying to incorporate into an answer.
Build a fire I the morning let the fire die down late in the day.
Remove all coals and ash
Remove a foot of soil and you find the ground colder as the heat has drawn up the coldness further down.
Place,scope here,set horizontal .
I think if you keep the scope cool during the day is a big start and put it outside 47 minutes after Sun set and wait 2 hours,an 17 minutes...then switch on fan.
I think a little fan would help
But I really don't know
Alex
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