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- Filter —noun
1. any substance, as cloth, paper, porous porcelain, or a layer of charcoal or sand, through which liquid or gas is passed to remove suspended impurities or to recover solids.
2. any device, as a tank or tube, containing such a substance for filtering.
3. any of various analogous devices, as for removing contaminants from a liquid or gas.
Filter —verb
1. to remove by the action of a filter.
2. to act as a filter for; to slow or partially obstruct the passage of a material.
3. to pass through or as through a filter.
Related Resources:
Filter Selections
Resources to information about various types of filters and filtration set ups that you can choose when setting up a saltwater aquarium.Live Rock Filtration & Berlin Set Ups
Here are resources to information about how cured and uncured live rock is used in or added to saltwater aquariums and Berlin System filter set ups for biological filtration in your saltwater or marine aquarium.Live Sand Filtration & Jaubert Set Ups
Here are resources to learn about using live sand for biological filtration and with Jaubert or Plenum set ups for natural nitrate reduction (NNR) or denitrification in saltwater systems.Mangrove Filtration
More and more aquarists are using mangrove plants for filtration in their tanks. Mangroves remove nitrates, phosphates, organic material and many other toxins.
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