6 1/2″ Coarse Foam


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4 in stock


Our foam is manufactured by EMW Filtertechnik GmbH in Germany. They manufacturer foam for many of the leading filter manufacturers such as Eheim and Fluval. It sells in the US under the name “Poret”.  The 6 1/2″ size is available for smaller filters.

Biohome media should only be placed behind an effective mechanical filter. We recommend using open pore reticulated filter foam as it is more uniform and reusable and can be easily cleaned and used for several years. Whenever possible we recommend using a stack of Coarse, Medium and Fine Foam in that order where the water flow hits the Coarse Foam first.

While open pore foam is readily available and quite inexpensive, you should be aware that most of this foam it is not suitable for use in an aquarium filter. All foam used in packaging and construction must contain flame inhibitors. This is impregnated in the foam and will leach out over time and is not something you want in your aquarium water.

GreatWave “Poret” Filter Foam is the highest quality filter foam available and we believe it is the  most effective mechanical filtration you can buy.

The 6 1/2″ Coarse Foam Filter sheet is 1″ thick 10 ppi blue foam. The foam can easily be cut to the appropriate size and shape for your filter with a sharp knife.

Note: Nominal sheet size is 6 1/2″x6 1/2″. Actual size may vary a bit.

Additional information

Weight .04 lbs
Dimensions 6 × 6 × .75 in


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