Aquarium Systems Maxi Jet 600 Powerhead

• Perfect for freshwater or marine.

I've been using maxi-jet pumps for years in various applications, and this one acted like pretty much every other one I've used: It usually starts on its own when plugged in, but sometimes the volute needs to be turned slightly to get the impeller to start turning. When it's running it's cool and quiet, unless there's too much restriction on the output, which causes the impeller to chatter.

In short, it acts like a maxi-jet!

This review might sound negative, but it really isn't. This is my go-to pump when I need a small, cheap, reasonably reliable pump to move water from one place to another. They mix saltwater, transfer it from the mixing barrel to the tanks, feed media reactors, etc.

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bought for use with my underground filter,nice power without knocking fish around. very quiet running. a very reasonable price too.

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These powerheads have been around forever, and for good reason. They are reliable and quiet. I use them to power undergravel filters.

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These are my fall back pumps, as I've used them for over 20 years with marine (saltwater) aquariums. I've used them in sumps, corals, plants, fish (always with a strainer attached) and with maintenance, they have lasted on average 2 years each. Will continue to buy them.

One of my marine enthusiasts also had me try Rio pumps (when they came out years ago). They had sufficient output for sumps, but they also had electrical issues. Not a good thing in saltwater, since it is a good conductor of electricity, let alone for my corals and more delicate shrimp and fish :(

I removed all Rios and went back to these pumps. The sump pump I have is a larger different model, but love the Maxi Jets.

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This is a powerful pump. I also have the 1200. The 600 has PLENTY of power. I use the 600 on the inside aquarium and the 1200 to power the outdoor pond/water feature. It is quiet.