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R
oyal
E
xclusiv
p
umps
&
skimmers
Vorgebirgsstr. 28 // 50389 Wesseling // Germany
Fon +49(0)2236/88055-0 // Fax +49(0)2236/88055-20
[email protected] // www.royal-exclusiv.de
Since 1986
Max. water level
Current
water level
The figure above shows how the water outflow can be
regulated by turning the wedge.
Please note the maximum water level. The water to air
stripline is the level after which wet foam becomes dry
foam. The water level should not exceed the indicated wa-
ter strip line. This line ensures dry foaming.
Our recommendation is a guideline. The line may be ex-
ceeded if necessary. It at the discretion of the user to de-
cide whether he prefers wet or dry foam.
Once the skimmer has formed enough dry foam, it is re-
commended to grease the upper end of the riser tube as
well as the inner foam ring. This will prevent the foam cup
from being filled with solid dry foam because the bubbles
will burst as soon as they come into contact with the
grease. This way, only the adsorbate will enter the cup.
The dry foam might leave the cup through the ventilation
holes and fall back into the filter sump.
On the figure above, the water level stripline is approx.
4 cm below the maximum level. This water level stripline
can be lowered or increased by turning the tube.
The water level stripline is different for every aquarium, de-
pending on the quality and surface tension of the salt water.
Keep the skimmer running until the foamy liquid has filled
the absorbate pot (skimmer head).
All Bubble King
®
skimmers have a so called “absorbate
drain”. The 10 mm hole at the bottom of the pot (skimmer
head) is sealed by a silicone plug. This is the hand-over
location. The customer may install an additional attach-
ment (e.g. a small ball tap) to drain the absorbate, which
facilitates cleaning.
Note:
Please do not wait too long until cleaning
an over-filled pot.
2. Maint disassembling of the skimmer
We recommend checking the Mini Bubble King at regular
intervals to check for impurities on the needle wheel. This
does not require removing the skimmer from the filter.
Disconnect the skimmer from the mains by unplugging the
nozzle. Then turn the skimmer in your direction to see if
any foreign objects such as snails, mussels, activated car-
bon pellets, filter cotton or food debris have entered the
first row of needles. In case of an accumulation of debris
in the pump, the pump must be disassembled.
Pull the suction nozzle from its fitting slot/flute. (Fig.: re-
move the suction inlet to the control of the needle wheel).
All
Red Dragon Bubble King
®
pumps have a built-in auto-
matic shut-off. The internal circuit is permanently measu-
ring the power consumption of the pumps. In the case of
seri ous calcifying, and thus, stiff bearings, the internal cir-
cuit will identify the rising power consumption as a failure
and will switch off the pump for safety reasons.
This protects the Bubble King
®
pump from internal fires
and other damages, such as short circuit resulting from
overcharge. The pump can be brought back into operation
3
