Life Gard Fluidized Bed 300
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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 Rainbow's 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 Filterhas 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.

Spring loaded clamp creates a snug fit to any aquarium or reservoir tank. .
Adjusts media level for maximum expansion of the filter bed and proper water flow. Prevents media from escaping and entering aquarium. Can be easily removed to add additional media.
Keeps media in place and allows for easy start up. External location for easy cleaning or replacement. Can be used in either the top or bottom inlet port.
Inlet and outlet ports at the top for hang on aquarium installations.
Angular shaped media collide frequently, knocking off debris which creates new area for bacterial growth to occur. Enormous surface area for bacterial growth. Easily fluidized with a small power head pump.
Increases oxygen level by spreading out a thin sheet of gently falling water.
Heavy duty thick wall ABS molded parts. Built to last.
Easy to view fluidization level at a glance.
Holds unit in place for installations below or beside the aquarium.
Lifts the sand bed evenly and completely for perfect fluidization.
More capacity than any other make of equal height!
Inlet ports on each side of the base for below tank installations. Use inlet ports on each side to connect multiple units together for any size installation.
Innovative design creates more filter volume area for increased capacity. Flat side for snug fit to any aquarium or reservoir tank. ADJUSTMENT SCREWS
Keeps unit level when installed in hanging position on aquarium or reservoir tank.
Plug off inlet ports not in use. Can be removed to drain or clean unit.


Part No. Model No. Dimensions Surface Area Media Weight  Recommended Fresh or
Salt water Aquarium size up to...
H W D sq. ft sq. meters
R270203 FB300 17" (43.18 cm) 7 1/2 "
(19.05 cm)
3"(7.62 cm) 214 19.2 3 lbs.(1.35 kg) 300 gal. (1140 liters)
R270206 FB600 26 3 /4"
(67.95 cm)
7 1/2 "
(19.05 cm)
3"(7.62 cm) 428 38.52 6 lbs.(2.70 kg) 600 gal. (2280 liters)
R270209 FB900 34 1 /2"
(87.63 cm)
7 1/2 "
(19.05 cm)
3"(7.62 cm) 642 57.78 9 lbs.(4.05 kg) 900 gal. (3420 liters)


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