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Internal GFO Carbon and Biopellet Filter Media Reactor

1

Please open the package carefully, and check 
if there’s any damaged or missing part.

2

While we take great care to keep any contaminants away from our products during assembly, please take a 
moment to clean with warm water ONLY. Never clean Acrylic with alcohol-based products. Use caution when 
handling acrylic scratches easily.

3

Some media (such as phosphate control products) is not designed to be aggressively fluidized in a reactor – 
please read the instructions for your media carefully.

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4

Biopellets may initially clump during break-in. Turn off the pump and allow the clumps to settle at the bottom 
of the reactor. Gently shake the reactor to break up clumps. Once the pellets go through this initial break-in 
process, they generally require no further action.

For media designed to be fully fluidized, the reactor should be filled 

no more than two-thirds full 

to allow 

the media room to move around. With heavy or fine media, you may need to add less.

(1)

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www.aquamaxxaquariums.com

FR-S / FR-M

FR-S

(1) Main media reactor body and lid
(2) Pump: Sicce Syncra Nano
(3) Sponges *4

FR-M

(1) Main media reactor body and lid
(2) Pump: Sicce Micra
(3) Sponges *4  

Turn counterclockwise to release the lid

(1) The pump must be completely submerged underwater when in use.
(2) Attachment with a magnet holder for a glass thickness up to 10mm (3/8")

Please discard the 
cardboard between the 
magnets before use.

Make sure 
the O-ring is 
in position.

To fill in the media:

8

Select a suitable place to set your media reactor:

(1) Set the flow control on the pump to its lowest setting.
(2) Plug in the pump. Adjust the flow rate with the input control dial.

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To Start

FR-M

FR-S

(2) Pick up the upper sponges to fill in the media. 

(3) Put back the sponges. 

(could be skipped for Biopellet)

(4) Turn clockwise to tighten the lid.

Wash your media before you use it. It is recommended that biopellets are soaked for 24 hours in aquarium 
water before use. Start with 25% of the total amount of biopellets then add 25% more weekly.

Sponges are not 
necessary for Biopellet, 
if you are going to use 
Biopellet, you can pick 
up all the sponges.

Do not over-tighten.

Put the wire here

TO AVOID DANGER, 
KEEP THE POWERFUL 
MAGNETIC MOUNT 
AWAY FROM BABIES 
AND CHILDREN.

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You can change the order of the sponges depends 

on media size. Original setting (top-bottom):  

coarse - fine - fine - coarse

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