Review on Hygger Quietest Aquarium Adjustable Powerful by Ann Perez

This is by far the best aquarium pump I have had in decades of fish keeping. First, a note on power delivery. The power required depends on the depth of the tank, not its volume. The deeper the tank, the harder it is to blow air down. I have a very deep tank of 110 liters. At 31 inches deep, this thing requires the most powerful pumps, especially since 24 inch tanks are much larger. 10 inch air stone. Even more amazing is how quiet it is. Also next to the tank the bubbles are louder than the pump even at 100% power. Just unbelievable. Buy it if you have a deep tank or a tank that is adjustable. No regret. Zero.One Note: The outlet nipples are large. I had to soak the hose in hot water to tighten it. There were a few breaks of various kinds, but this could be a problem on initial installation with some smaller overhead lines.