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This is the most quiet air pump I’ve ever bought.

I dont know what took me so long to order this IT IS SOOOO QUIET!! I guess I kept waiting for my old one to break but mine old one was LOUD --- this give a lot of air and is quiet I just wish it had 2 outlets but I will order a split well worth it only time will tell if it lasts I just got this

I bought this and a few other pumps on Amazon, including the whisper and Danner. This one was the quietest, and I even use a decibel meter to measure. Boxtech - 46 db Whisper - 48.5 db Danner - 54 db (2 valve) Make sure you use a return valve on any pumps that are lower than the tank like in a cabinet. This is in case the power goes out so water doesn’t flow backwards underneath your tank. If you want to reduce the air pump noise, even more, you can put a silicon pad under your air pump for vibration absorption and then you can use some noise insulation foam in the cabinet. I did this and reduced it from 46 to roughly about 39 1/2 DB.

I do like this product, I should have read the description as I thought it also came with tubing and an air stone as shown in the video.

Wanted a quiet pump for a small tank and the bubbles are louder than the pump. Plenty of air for one air stone - I backed it off a bit with the regulator that comes with the pump.

Its way better than my old device. It is quiet but not like pin drop quiet. I can still hear some noise but i can bear it. It is definitely not ultra quiet. I like its design and color.

Admittedly, my aquarium is in the living room with a bunch of other things that make noise; I've got three Eheim 2217s canister filters, a home theater amplifier fan, and a Drinkwell pet fountain running. So it's not a noiseless "bedroom environment". That said, this air pump is quieter than any of the aforementioned "noise makers" to the point I don't even know it's on. As to longevity, I haven't had it long enough to know if this pump is going to go the distance. Regarding how strong the pump is, I honestly just wanted it to be strong enough to drive an air stone and provide additional surface agitation at night. I've got a heavily planted tank, run CO2 during the day, and already have pretty good surface agitation. The air pump/air stone is just for added insurance at night that I'm bringing down CO2 levels. If you've got a fish-only tank and this pump is your primary surface agitator/oxygenator, your mileage may vary.

Discontinued use of a Vivosun magnetic air pump, which I was using to aerate/circulate my 105 gallon vertical RO water tank, plus run 2 sponge filters in a 20L quarantine tank. The magnetic air pump sounded like a 2-stroke. This new air pump is completely silent; only hearing the air bubbles from the 2 sponge filters (and converted to an actual circulation pump for the RO tank).