How to Setup fluidized moving bed filter for aquarium



A fluidized moving bed filter is
very efficient in cleaning water. It is a large tube that usually consists of
sand, silica chips or plastic. It must be connected to an air pump for
operation. Water will first pass through the sponge then it will enter
biological filter media that will break down the toxic ammonia into less toxic
nitrites & nitrates. Fluidized moving bed filters can only hold nitrifying
bacteria which means that it can’t remove nitrates from the water.

It has a bottom cover that can be
opened by turning. Inside the cover, you will find a sponge & an air stone.
This cover along with sponge stops fries from entering the fluidized moving bed
filter. Big particles are stopped by the sponge that will otherwise clog the
bio media.

An air stone is used inside the
filter for enhancing the amount of aeration. A bubble stone is used for
enhancing the aeration as well as for driving the movement of the material used
in this filter as well as it can increase the production of nitrifying bacteria
that will quickly clean the toxic water. Stone is used for working quietly
& increasing the amount of air bubbles.

Setting up fluidized moving bed filter for aquarium

Setting up fluidized moving bed filter for aquarium

Benefits of Fluidized Moving Bed Filter:

  • Fluidized moving bed filters use
    self-cleaning filtration media that continuously move around & rub each
    other that will allow the healthiest good bacteria to endure.
  • It will help aerate water as well
    as remove a large number of toxins as compared to other filters.
  • It is simple to take out the
    sponge that offers extra filtration for trapping physical particles.
  • Fluidized moving bed filter comes
    with its own media which is like K1 micro. The media will float in the start
    & will start tumbling in a few days.
  • It is beautiful to see the filter
    media moving around inside the filter & banging into each other constantly.
    And when it bangs into each other, the old bacteria are wiped out, & fresh
    bacteria that is ready to consume ammonia & nitrites grow on the filter
  • It is designed for aquariums that
    have more capacity than 20 gallons. This filter can be used to provide
    biological filtration for up to 40 gallons of fish tank.
  • Filter media does not need
    replacement or cleaning because it is using self-cleaning filter media.


Unboxing Fluidized Moving Bed

Inside the box you can find the
following items:

  • Fluidized moving bed filter with
    the model number: HL-600 Filter
  • Filter media: 1 / 2 bottle
  • Air stone: Installed inside the
  • 2 sponges: Only 1 sponge is used
    inside the filter. Use another sponge as replacement.
  • 4 suction cups: For hanging
    filters inside aquariums.

The package does not contain an
air pump, air tube & check valve.


Dimensions of Fluidized Moving
Bed Filter LH-600:

8.8 inches X 3 inches X 4 inches



Finest hard plastic





Setting up fluidized moving bed
filter for aquarium:

I am using a fluidized moving bed
filter that contains K1 filter media. This tutorial is about: how to setup a
fluidized moving bed filter.

Step 1:

It is very simple to setup &
disassemble the fluidized moving bed filter & you can simply take it out
for maintenance. The advantages of fluidized moving bed filters include its
simple design, & it can be used in many aquariums such as turtle aquariums,
shrimps’ tanks, fish tanks, as well as ponds. This filter comes with a year

I am using this filter in my tropical community aquarium. My fluidized moving bed filter contains K1 media & it is operated by an air pump. I am using an aqua one precision 9500 air pump for this project. It has a double outlet with a flow rate of 400 L/H that provides a decent air flow through the filter media. Setting up a fluidized moving bed filter is very easy.

Step 2:

At the bottom of the fluidized
moving bed filter, you will find a filter cover. Qanvee LH-600 has a sponge
filter at the bottom. Turn the bottom to open it. Inside the cover, a sponge is
installed that stops fries from entering the filter intake. An air stone is
installed inside this filter that produces lots of bubbles & creates strong
suction. Water is sucked from the bottom that flows through the sponge. Sponge
stops large physical particles, & water free of solid particles flows
through the K1 media that cleans the water. Clean water flows from the top of
the filter.


Step 3:

Attach an air pump to the hose.
It is mandatory to use the fluidized moving bed filter after soaking it for 1
to 2 hours. It comes with 4 suction cups for simple attachment against the
aquarium glass. Select an air pump that is powerful enough based on the
aquarium size.

Connect an air tube to Qanvee LH-600 filter

Connect an air tube to Qanvee LH-600 filter

Air tube is connected to the
bottom of the filter. Air will pass through the stone that will create bubbles
inside the filter. Filter will suck water from the bottom. A sponge will stop
fish & fries from entering the filter, & will trap physical solid
particles such as fish waste, uneaten food & other debris. Water free of
physical particles will enter the biological filter media with high speed,
& silica chips or plastic will be constantly pushed up by the water
pressure & then they will fall back due to gravity.


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