This is an interesting way to chill your cooling water when using an immersion chiller without the need to use a pump to pump the chilled water. (link taken from the Braumeister forum)
https://forum.braumeisters.net/viewtopic.php?f=8&t=1292
Wobbly
https://forum.braumeisters.net/viewtopic.php?f=8&t=1292
Wobbly