Hygger HG-972 User Manual Download Page 3

2.METHOD OF APPLICATION:

The minimum water level is between 3.54 to 4.72 inches.

3.54 to 4.72 inch

The surface skimmer is adjustable. The minimum water level must 
be higher than the surface skimmer; when using the surface skimmer, 
it wil

l fl

oat on the water to adjust to the water level.

1

1. 

Connect the surface skimmer to the intake pipe an

d fi

x it tightly

2.

Ensure th

e fi

lter media i

s fi

rmly placed in th

e fi

lter housing. Th

e fi

rs

t fi

lter layer is the bio-sponge, the second is 

activated carbon and the last is bio-balls. 

3.

Hang the installe

d fi

lter on the aquarium, and rotate the adjustment knob so as to keep the hang-o

n fi

lter parallel. 

Adjust the intake pipe to the correct distance.

4.

Fill th

e fi

lter chamber with water.

5.

Power on and adjust the surface skimmer; the minimum water level must be higher than the surface skimmer when 

using then the surface skimmer, which wil

l fl

oat on the water

If the surface skimmer doesn’

t fl

oat, you must adjust the 

water level.

6.

Adjust the wate

r fl

ow appropriately.

2

3

4

5

6

3.TROUBLE SHOOTING 

4.PRODUCT PARAMETER

5. ATTENTIONS:

6. PACKAGE INCLUDES:

7.WARNING:

5.9"×4.33"×6.3"

Fault  

Possible cause 

Solutions

No wate

r fl

ow 

Something in rotor make it cannot run 

Power off

Check that th

e fi

lter is plugged in

Clean the rotor

Water inlet tube installed wrong 

Reinstall the surface skimmer

Abnormal sound 

The water level is below the bracket 

Water inlet tube installed wrong 

Add water into the aquarium

Reinstall the surface skimmer

Flow decrease 

Filter media is full 

Replace th

e fi

lter media

Voltage 

AC 110-120V / 60 Hz

Power 

12W

Q.Max 

158GPH

Sound 

<40 dB

Cord length 

5.9FT

Application 

5-30 Gal

Dimension 

 Please read this manual carefully before using and follow strictly in accordance with the manual.

  Pleas

e fi

ll th

e fi

lter chamber with water before using, the pump cannot work without water.

  Clean th

e fi

lter with tank water every 1-2 weeks. Don’t use tap water, water too hot to clean th

e fi

lter. 

 Please unplug the power before maintenance.

 Please mind that the temperature range for th

e fi

lter is 33.8~95

.

1

×

Aquarium Filter

1

×

User manual

A. 

If the appliance falls into the water, DON'T reach for it! First unplug it and then retrieve it. If electrical components of 

the appliance get wet, unplug the appliance immediately.

B. 

If the appliance shows any sign of abnormal water leakage, immediately unplug from the power source.

C.

 Carefully examine the appliance after installation. It should not be plugged in if there is water on parts not intended 

to be wet.

D.

 Do not operate any appliance if it has a damaged cord or plug, or if it is malfunctioning or if it is dropped or damaged 

in any manner.

DANGER:

 To avoid possible electric shock, special care should be taken in the use of aquarium equipment. For each 

of the following situations, do not attempt repairs yourself. Return the appliance to an authorized service facility for 
service or discard the appliance.

1.

Read and follow this user manual strictly.

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