I confess my use for this is a bit. Unconventional. I use this fan for aquarium waves. In a beer cooler. No I'm not kidding lol. I have a 28 liter beer cooler that I use for sous vide cooking (at least until I can afford a real sous vide machine) and this shaft fan works great for holding water. Circulation (required to keep the temperature even), but I'm defocused enough not to push the food I'm cooking out of the water (a problem I had the first few things I tried). I've had this pump in water up to 170 degrees Fahrenheit (76.6 degrees Celsius) with no issues. (Make sure you plug it in somewhere with a circuit breaker as it's not rated for that hot water and you don't want to accidentally electrocute yourself if something breaks).
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