NICREW Air Pump Aquarium Ultra Quiet <33 dB, Nano Silent Mini Oxygen Pump up to 40 L, Accessories for Fish Tanks, 18 L/H, 1.5 W

After keeping tropicals previously, I decided to install a new aquarium, and one of the biggest problems has always been the noise from the air flow pump. Not only are they usually quite large, they also tend to hum away like a tractor driving you mad and defeating the object of peaceful fish keeping. Not with this one. Super happy with this purchase, it's small and mighty! Easy to set up just plug and go. When I first plugged it in, I thought "uh oh faulty" as there's literally zero sound or vibration from the unit itself. It's only when the air stone is submerged that you see it kick in! Perfect strong air flow, masses of bubbles, fish lively and loving the new addition. I'd say it rivals, if not beats the more expensive on the market. It's supplied with plenty of tubing so you can hide the air stone behind live plants and decor, and the slimline unit itself is tiny and sits perfectly with the suction cup to the outside of the aquarium allowing for cables to be kept tidy and hidden. In use, the only sound is the strong but gentle flow of bubbles which is both relaxing but most importantly not disruptive as the aquarium is in the bedroom. 100% worth the price and would buy again without hesitation!

The media could not be loaded. I don’t write reviews often but I had to let people know that this little thing works wonders! I love the look of it and the bubbles it produces, it’s not bulky and sits nicely suctioned to the back of my fish tank. It’s very silent compared to other air pumps I’ve used which is amazing! It also has incredible power for how small it is. Absolute bargain!

Pump is okay for my 54l tank. I attached it to a sponge filter however I feel it is not powerful enough to properly filter the tank. Will leave it a few days then maybe reconsider. Pump is very quiet and easy to attach to the side of the tank.

The media could not be loaded. So small, neat and poweful. Works really well with the Pawfly nano bio sponge filfter. V.quiet (the camera exaggerated the sound volume quite a bit). Much nicer than the old pump that came with the tank. Shrimps and the snail seem happy

The media could not be loaded. Incredibly quiet - can only hear the noise from the bubbles. Despite being small it seems to be very effectively powering a small corner air filter.Really compact and great that it sticks on the side of the tank so you don't need to find any room for it. Perfect for a small aquarium (note it states 40 litres so you'd need something with more power for a bigger tank).

So good I bought another one for my tropical fish tank. Ultra quiet, cant hear a thing.Originally purchased for Gold fish aquarium but as the bubble output was so good i purchased another for my larger tropical aquarium.Comes with a suction cup so that it can be placed anywhere on the aquarium.Much better than the noisy vibrating air pumps that are soldDefinitely recommend this item

Small neat and tidy very quiet and doing a good job.

The media could not be loaded. This really is completely silent. Spent a while trying to figure out whether I should go for a traditional pump and compromise on noise versus functionality. However this pump so far does both. Lots of bubbles in my Aquanano 40 and comes with air line plus non return valve and flow control. Would recommend to anyone wanting a silent pump that produces loads of bubbles.