Marina Air Pump

Just got this air pump and set it up in my Fluval Edge. I wanted an air pump from a reputable manufacturer and (most importantly) that was quiet as can be. This air pump by Hagen fits the bill, especially on the quiet arena. My other aquarium is using a Tetra Whisper 10 air pump. I thought that was as silent as they come, that is until now. But hearing this Hagen Marina 75 in action, my Tetra Whisper is far from being a "whisper" and more like a lawnmower by relative comparison. Okay, I'm exaggerating a bit, but honestly, the Marina 75 is quiet and puts the Tetra Whisper to shame.

This Marina 75 air pump is quiet. Not silent, but very quiet. Quieter than all the rest, and I've tried all the brands. It puts out enough air for a small tank. After I got this one, I tried the 100, and it puts out a good deal more air and is very nearly as quiet as the 75--surprisingly so. So if you've got more than 20 gallons, go for the 100. Haven't tried the 200 yet, but I've got one on order.

UPDATE Aug 2012: All of these Marina air pumps get noisier over time. I've also broken the nipple on every single pump I've owned when I've tried to remove the air line. The 200 is not quiet from the start. Even so, I buy one every so often because they are cheap and most of them start out quiet. I get the 100 because I want the air. Originally I gave this product 5 stars. Now just 3.

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The quality is just not here material wise, the plastic nipples broke off 1st one after about 3 weeks the second after 5. they are recessed and had flexible airline attached, almost impossible to put any stress on them.

My guess is heat and poor quality plastic.

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Both plastic nipples that the air hose attaches to broke off so now can't be used at all. I had purchased it about 6 months ago.

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When this product first arrived, its performance blew my mind. It was silent and explosive, and my plants seemed to be thriving.

When the Amazon box first arrived, I took out the air pump, connected the airline, plugged it in and let it run. That was the last time I touched it.

Two weeks later, the air pump was still going strong but my plants were all dead. The two black nozzles where the (2 foot) airline connected were barely hanging on: snapped under the routine pressure of running 24/7.

From a previous (horrible) experience with an Aqua Culture air pump, I was already cautious about poor quality air pumps, so I made sure I connected the airline only once. There was no constant tugging or pulling on the plastic nozzles: I connected an airline once the first time it was plugged in.

The pump's longevity simply isn't there.

I uploaded a picture of the broken pump after 2 weeks:

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They can refund my money, but they can't refund my dead plants.

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