i have had an idea (or 2) on how to make diy aquarium chiller.
1) Drill 2 holes through a fridge one for an entry point one for an exit point. place a pipe through and a pipe out link the 2 pipes together (seal up the two holes) somewhere along there add a pump and add a bit more heating to counter excessive chilling( especially if u had the chilled water enter a sump filter thing under the aquarium and you placed a heater in the sump just before it exits so perfect temp water goes to the aquarium).
2) get a drinking fountain thing( cooled ones) if u can get them cheap and use that.
1) Drill 2 holes through a fridge one for an entry point one for an exit point. place a pipe through and a pipe out link the 2 pipes together (seal up the two holes) somewhere along there add a pump and add a bit more heating to counter excessive chilling( especially if u had the chilled water enter a sump filter thing under the aquarium and you placed a heater in the sump just before it exits so perfect temp water goes to the aquarium).
2) get a drinking fountain thing( cooled ones) if u can get them cheap and use that.