Rated 4 out of 5 by 5
Rated 2 out of 5 by CrabbytheCrab Too noisy
This air pump makes a nice stream of bubbles, but it is way too noisy and makes the tank vibrant. Get the Tetra® Whisper 10 UL Air Pump. Totally worth the extra money.
August 16, 2015
Rated 4 out of 5 by TEChicago Strong air-flow; nice and quiet
This pump is rated for a five-gallon tank, but I bought it for my 10-gallon, as I'm running only two average-size airstones (filtration is done with an outside pump -- this unit is just for extra aeration).
It's more than adequate for the job, and it's very quiet when seated on something soft (I use a small folded cloth).
Can't beat it for the price. Happy to recommend.
June 1, 2015
Rated 4 out of 5 by M1n1wheat Better than expected but...
I bought this pump thinking it wouldn't put out enough power for more than one air stone; but I was mistaken. This pump runs 3 air stones (with a T connector valve) with maximum bubbles! On the set up instructions, there is supposed to be a knob to adjust air flow but I can't seem to find it! Overall, it's still pretty awesome. It's great for the price, but the surface I have it on makes it rattle and move about and it's kinda loud, I would invest in a rubber stopper of some sort.
September 12, 2014
Rated 5 out of 5 by Stoni2041 Better then expected
For the price and size I was expecting something that barely works. It outputs a lot of air for its size. It is fairly quiet as long as you don't use a cheapy air stone which is common for diaphragm air pumps like this one.
August 30, 2014