Marina Cool Air Pump

I have enjoyed this purchase. I have a 2 or 2 1/2 gallon fish tank (pet store brand) that i have had for several years. The air pump recently got very loud....annoyingly loud! I tried to get a replacement from the pet store (in store and on-line) that sells the fish tank, however, oddly enough, they don't sell the pumps seperately. I tried a newly designed Whisper air pump for tanks up to 10 gallons, and that worked just fine, however, it really was louder than i wanted for my little tank. I hoped that if i could find a pump for a smaller tank that it would be quieter. Indeed, this one fits the bill. It is quieter than the one i tried for a larger tank (and that one wasn't too bad either). Now, I hear the bubbles louder than i notice the pump sound! It also is quite powerful, so there are more than enough air bubbles for my fish. Granted, it isn't silent, but i don't expect that. Just a quiet hum. I worried it would move around due to it having 4 tiny "legs" on it, but it stays in place nicely. It has been a good purchase & very reasonably priced.

This pump is small, unobtrusive, quiet and does its job. Plus, the price can't be beat. I wouldn't feel right asking for more.

I hooked this little air pump to a ViaAqua6 LED bubbler in my 5 gallon tank and it's worked great for the 6 months I've had it despite it being left on for days on end.

Recently though, the pump's started to rattle and shake. Putting padding under it didn't help. I became worried I had to get a new one. (But even if I did, it would've been worth it!) Suspecting the case was loose, I tightened a rubber band around it, and I'm happy to report that it's back to its silent self.

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The pump died on my 3-pod Aerogarden and I couldn't find a replacement. I called Aerogarden and the agent told me that they don't sell the 3-pod pumps separately. He said he could sell me a new base (with the pump built in) for $30, but that if it were him, he'd go to a local pet supply store and buy the smallest, most inexpensive aquarium pump available and that it would do the trick; so I shopped around and found this one on Amazon.

Since I'm not using it in a fish tank, I won't dock any stars from my rating, as I'm sure it's perfect for small aquariums (I know nothing about them). But there are a few minor problems with using this pump for an Aerogarden. First, you can't install this *inside* the Aerogarden; it needs to be placed somewhere near the Aerogarden with a short length of plastic tubing (a minimum of 10 inches) going from the pump and through the opening to the Aerogarden's water basin. The tubing isn't included so be prepared to buy some. I was fortunate to have it on-hand. If you are concerned about aesthetics, don't bother with this setup because it isn't pretty. Pay the $30 for a new base.

Second, It vibrates a lot and will move around whatever surface you place it on. I used some Velcro that was on-hand to keep it in place and that also dampened most of the noise caused by the vibrations.

Third, this pump is much more powerful than the stock Aerogarden pump (the 3-pod is only half gallon, this pump is for 5-gallon tanks) so of course it makes much more bubbling noise. The first day it was very irritating but I got used to it and now I actually find the noise to be relaxing.

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This pump is very very quiet compared to the one I had before, and seems to put out the perfect amount of air pressure to drive a single small bubbler ornament.

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I was looking for a Air Pump for my 5G tank. This is the most quiet pump in the market.

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