Make zero noise and can run up to three sponge filters in my experience. Super handy. Kind of wish they came in black though
This is the quietest air pump I have ever had the pleasure of not hearing and, in my personal experience, it is powerful enough to run a variety of small-medium sponge filters effectively (filters "rated" for tanks 5-20 gallons). I even run a San Francisco Bay 2-liter bottle brine shrimp hatchery kit on it with no hits to the shrimp yield compared to the more powerful and SIGNIFICANTLY louder pumps I have had in the past. It is not strong enough to run a matten filter on a 20L, but it will run a matten filter on a 10 gallon with slow flow. The only issue I have is that I have had 2 pumps burn out in the first three months, but I also have a few that have been running strong for ~8 month, including the pump on the hatchery which I do at least 2 hatches a week on. Even with the burn outs I would give this product 5 stars any day of the week.
Works amazing I have it running a Sponge filter and an air stone just using one USB air pump Can you don't hear it very quiet
Works well and is fairly quiet compared to larger air pumps. Convenient usb type cord and hanger
Quiet, not a ton of air, but it's sufficient for brine shrimp hatching or for a small tank. I wouldn't use this as the only filtration pump on a tank any bigger than a 10 gallon. I love that it's micro USB because that makes this usable either in a car or during a power outage with a USB power bank. The carabiner is a nice touch, especially for brine shrimp hatching where you want your air line tubing higher than your hatch bottle as it allows you to easily hang the pump. Would be nice if it included an air stone and or some tubing, because those things are super cheap and it'd be nice for someone setting up a new tank to not have to buy those as well.
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