People use a cube - or No Chill Cube - as a method of cooling their wort down post boiling. Here - http://www.aussiehomebrewer.com/forum/inde...;showarticle=56 - is a lovely article on the care and use of a cube. Should answer your question.
TB
Off topic, sorry :icon_offtopic:
Taking 150 Germans from WYD bush for three days, I will need a some humour to cope, Don't want to lose any to "drop bears' etc.
They'll be busy watching for drop bears and wheel snakes :lol:
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