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Home » Saltwater Aquarium Supplies » Filters » Inline & Specialty Filters » Fluidized Bed » Rainbow Lifegard Fluidized Bed Filter

Rainbow Lifegard Fluidized Bed Filter

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Due to its unique shape, the Lifegard Fluidized Bed Filter is an extremely efficient, high capacity "biological" filter. Aquatic organisms excrete toxic ammonia as a metabolic waste product with additional ammonia produced as food and other organic matter breaks down and decomposes. This toxic ammonia (NH3) is converted to another toxic compound nitrite (NO2) by the Nitrosomonas species of bacteria. The nitrite is then converted to a relatively non-toxic compound called nitrate (NO3) by the Nitrobacter species of bacteria. This process is known as "nitrification".

A "biological" filter is a vessel where nitrification occurs and soluble waste is removed. Beneficial bacteria attach to the media within the Lifegard Fluidized Bed Filter creating a thin film around the sand grains. Water is pumped up through the unit lifting the sand into a "fluidized bed". The beneficial bacteria attached to the media draw in dissolved wastes (ammonia and nitrite), oxygen supplied by Lifegard Aquatics' exclusive water fall device and other required nutrients from the passing water converting them to relatively harmless nitrate. The sand grains are in continual free fall through the water resulting in an excellent transfer capability between the liquid and the bacterial film on the media.

The enormously high surface area combined with this excellent transfer capability creates the perfect habitat for bacterial growth. In addition, the sand grains bump into each other frequently knocking off excess debris and providing a self-cleaning function which allows new areas for bacterial growth. The Lifegard Fluidized Bed Filter has been tested and proven to supply the highest level of effluent water quality and will respond quickly and efficiently to severe changes in ammonia levels caused by over feeding or the addition of too many fish at one time. To obtain highest water quality a Lifegard Fluidized Bed Filter should be part of the system.

Specifications:

Tank Size: up to 300gal (1140L)
Surface Area: 214ft² (19.26m²)
Dimensions: 3" x 7.5" x 17"
Weight: 3lbs (1.35kg)

Customer Reviews

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9 of 9 people found the following review helpful:

Excellent!

FB-300 by JASON LA BOU

Experience Level: Expert

Posted on 2/11/2008 from Novato, CA UNITED S

Comments: This unit has worked well for me for 2 years. It is well constructed and thoughtfully designed. It generally never gets impacted. In conjunction with this companies UV sterilizer my mortality rate dropped to zero. If your thinking of getting this unit, it's not that much more to get the UV also. Setting them up is easy. Just remember to put the UV first and keep the flow on the lower side for exposure time. It's nice to have your fish die of old age.
Yes, I would recommend this product to my friends.

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5 of 6 people found the following review helpful:

Excellent!

Rainbow Lifegard FB-3 by JONNE BERNING

Experience Level: Expert

Posted on 12/17/2007 from FORT PIERCE, FL UNITED STATES

Comments: I found this unit to be well constructed and came with all of the necessary hose clamps and hose fitting for a variety of tank installations. The unit is operating well and I am very happy and would recomend this unit.
Yes, I would recommend this product to my friends.

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Rainbow Lifegard Fluidized Bed Filter

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