> Filters/ Filtration Systems

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What Is A "Biological Filter"?
You hear people talking about their "Biological Filter" a lot, but do you really know what it is? The answer may surprise you. You probably have more biological filtration in your tank than you know.<

Choosing the Right Biological Filter Material
The wide variety of biological filter materials available on the market today can confuse almost anyone trying to find the right one for their saltwater aquarium. Every manufacturer claims their filter material is the most efficient and easiest to use. Cost considerations aside, efficiency, adaptability and ease of maintenance are the factors considered in choosing the best material.

Biological Filtration Poll
Participate in this Biological Filtration Source Poll created by your About Guides to Saltwater Aquariums, or just view the polling results to see what the most popular source for biological filtration is amongst hobbyists.

Choose a Filtration System in 5 Easy Steps
Some people choose their filtration system, then design their aquarium system around it. This method helps you design your filtration to fit your tank and the way you want it to look.

New Biological Filtration For an LFS - 1,000 Gallon System
The filtration system in the 1,000g saltwater holding system at Animal Jungle wasn't doing the job. Here is how we fixed it.

New Biological Filtration For an LFS - 2,600g Shark Tank
The filtration system in the 2,600g Shark Tank at Animal Jungle wasn't doing the job. Cloudy water, nitrates off the chart, the shark wasn't a happy camper. Here is how we fixed it. You can use the same method with the same results on your tank, no matter what the size is.

Choosing a Filtration System
From your About Guides, Stan & Debbie cover the basic considerations that should be thought about when deciding on what type of filtration to choose for your new aquarium.

Aquarium Filtration
From FINS contributed by Bruce Hallman, a Table Of Contents covering topics on water changes, biological filtration, mechanical filtration, chemical filtration and a complete section on Filter Types.

Filters & Related Questions
This FINS FAQ's section gives information about every type of filter you can think that you have questions about.

Filtration Methods
From J. Charles Delbeek, discussions about Mechanical, Biological and Trickle Filtration from his Glitter Lines column in the March 1990 issue of Aquarium Fish Magazine.

Filtration Methods
From Suite 101, Winston Schoenfeld provides an overview about biological, chemical and mechanical filtration, with specific details about various types of equipment used in conjunction with them.

Living Fish Need a Living Filter
From Petco, this article By Paul V. Loiselle, Ph.D. discusses the important fundamentals of the biological filter, as well as filter options for attaining a healthy system.