AquaClear Impeller Assembly for Power Filter

The impeller in an aquarium filter does a remarkable job of moving thousands of gallons of water each day. The fact that they can operate for several years before needing to be replaced is a testament to their overall construction.

The Aquaclear series of filters utilize a magnetic impeller assembly with the plastic fan attached to the top of the unit.

The Aquaclear 20, 30, 50 and 70 all use the same electric motor and magnetic impeller assembly, the only difference being that the fan attachment for each subsequent filter is slightly larger than its smaller sibling, thus

allowing the next size up Aquaclear to pass a greater number of gallons of water per hour.

This also gives you some flexiblity in how these filters can be used. For instance, suppose you would like to be able to increase the amount of time between filter cleanings, while maintaining the same water flow that you have with an Aquaclear 50.

You can purchase an Aquaclear 70 and swap out its impeller for the one in the Aquaclear 50. This way you have a greater filter surface area, without increasing the turbulence of your aquarium's water.

The Aquaclear filters do have an adjustable water flow, however, even at the lowest level, an Aquaclear 70 would be too powerful for say a 10 gallon aquarium.

However, with the impeller blade from an Aquaclear 30, installed in an Aquaclear 70, you get the advantage of far greater filter area than the 30, which leads to less frequent cleanings, and you won't have to worry about your fish having to fight the current of the Aquaclear 70's larger impeller fan.

Later on, should you decide to move up to a larger sized aquarium, you can then install the impeller that your Aquaclear 70 came with.

This flexiblity is just one of the advantages that four of the Aquaclear filters (20, 30, 50 & 70) offer, since they utilize the same electric motor; the only difference being the size of the plastic fans which come attached to the magnetic impellers.

There is a reason why the Aquaclear line of hob filters have lasted virtually unchanged for the past 25 years and have a very loyal customer base.

An extremely clever design with flexibility in mind.

And as a fishkeeper, you need all the flexibility you can get.

The Aquaclear's ability to swap out impeller fans, as well as to use a number of different permutations regarding filter media, makes these filters the most cleverly designed on the market.

And the fact that they are also workhorses only adds to the satisfaction of owning them, since they do an excellent job of cleaning an aquarium, even though like most aquarium filter manufacturers, their rating tends to be optimistic.

For example, if you are buying a 30 gallon tank, pass on the Aquaclear 30 and get the 50, since it will do a better job of filtering your tank especially if it's overstocked and heavily planted.

This author enthusiastically recommends the Aquaclear line of hob filters.

Bought this as a spare for my AquaClear 50. Inspecting the impeller shows no signs of damage from shipping or from the manufacturing process. When it comes time to replace my current impeller, from damage or wear, this will allow for quick replacement.

Like the original impeller, this may take a few weeks to break-in and runs smoothly.

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Then this is probably all you will have to change. I've swapped two used impellers out with these new ones, and my aquaclears are back to their old, quiet selves.

Read Best Reviews of AquaClear Impeller Assembly for Power Filter Here

These impellers are the weakest part of the aqua clear hang on back filters. This replacement fixes noisy or sticky impellers or impellers with missing blades. Much cheaper than a new filter.

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I needed a new impeller because my old one was starting to crack. This one is the exact one and fits like a glove.

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