Goldfish and Aquarium Board Articles
Filter Profiles: Penguin 100
By JBC

Type:	Hang-on-the-back (HOB) filter
Manufacturer:	Marineland
Types of filtration possible:	Mechanical, Biological and Chemical
GPH:	100
Tank Size:	up to 20 gallons for tropical fish. Not good to be used independently for goldfish or turtles
Pros:	Excellent biological filtration in the form of a Bio-Wheel which provides a large area for biofilter bacteria to grow on. Assembly of the filter is very easy, with easy instructions
Cons:	Filter can produce a large amount of noise. Intake strainer can become clogged very easily from floating plants. Impellor motor can overheat from a power failure. The carbon cannot be removed from the filter easily.

These are a good choice for filters. They incorporate all three properties that good filters should include: Mechanical, Chemical, and Biological Filtration. Mechanical filtration is in the form of a blue Polyfiber pad, Chemcial filtration is in the form of active carbon, and Biological filtration is in the form of the Bio-Wheel.

Fully assembled Filter with the covers

Fully assembled Filter without the covers

Intake Strainer with the Intake Tube

Impellor Housing on left, with Impellor on the right

The famous Bio-Wheel

Pre-assembled Filter Cartridge showing the blue polyfiber front.

Ribbed backing of the Cartridge

Carbon Chemical Filter Media from inside of the Cartridge

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