![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 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](https://i.redd.it/8vtd1mk9tjx11.jpg)
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
![Amazon.com: JEREPOND Aquarium Chillers Aquarium Cooling Fan, DC12V Auto Fish Tank Cooling Fan with Adjust knob,Cross-Flow Fan with Broad Airflow (3W) : Pet Supplies Amazon.com: JEREPOND Aquarium Chillers Aquarium Cooling Fan, DC12V Auto Fish Tank Cooling Fan with Adjust knob,Cross-Flow Fan with Broad Airflow (3W) : Pet Supplies](https://m.media-amazon.com/images/I/51QurEq4sOL._AC_.jpg)
Amazon.com: JEREPOND Aquarium Chillers Aquarium Cooling Fan, DC12V Auto Fish Tank Cooling Fan with Adjust knob,Cross-Flow Fan with Broad Airflow (3W) : Pet Supplies
![Amazon.com: LONDAFISH Aquarium Chillers Aquarium Fan Fish Tank Cooling Fan Marine 2 Fan : Pet Supplies Amazon.com: LONDAFISH Aquarium Chillers Aquarium Fan Fish Tank Cooling Fan Marine 2 Fan : Pet Supplies](https://m.media-amazon.com/images/I/611yPa70VKL._AC_UF1000,1000_QL80_.jpg)