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random-mike55 posted on r/aquarium2w
I am very picky about my room being quiet and have a fish tank around 10 feet from my bed. I got this one December this year and am very impressed. It also has a built in battery so if you lose power it will still run for a while (it says 12 hours at full tilt but could turn it down to last up to 79 hours). I have it attached to a sponge filter in a little 5 gallon snail breeder and a 55 gallon tank for an airstone. The little bit of noise from my filter being pointed towards the surface is louder than the air pump. https://a.co/d/034y9eUK