Tip: homemade aquarium cooling - two pc fans ziptied together running from 12v power supply attached by old clip from my navigation stand (7C lower temp) : r/Aquariums
DIY Water Chiller : 17 Steps (with Pictures) - Instructables
Peltier based aquarium cooler/heater? - General Electronics - Arduino Forum
DIY aquarium Chiller from modified dehumidifier or air conditioner
I made an aquarium chiller for my axolotl! [Reupload] : r/DIY
Peltier based aquarium cooler/heater? - General Electronics - Arduino Forum
Notes on a do-it-yourself (DIY) reef aquarium chiller
DIY aquarium Chiller from modified dehumidifier or air conditioner
DIY aquarium chiller
Water Chiller Diy Aquarium Dedicated Chiller Temperature Controller Semiconductor Refrigeration 40 Temperature Rise And Fall - Air Conditioner Parts - AliExpress