STARTING THE TANK
STEP 3: ADJUSTING THE VALVE
• It is now necessary to adjust the valve of the main out-
flow: The valve closes through rotation in a clockwise
direction. This results in the water level in the overflow
box and display tank rising. In order to reduce the water
level again, the valve must be correspondingly turned
counterclockwise so that the valve opens further.
• As soon as you begin to approach to the correct settings,
the valve should only be turned slightly. It takes several
minutes for the water level to adjust to the respective
valve settings.
• The valve is correctly set if no further outflow noise
can be heard and the desired water level in the display
tank has been reached. We recommend a water level of
approx. 2,5-3 cm (0.9 – 1 in) below the top edge of the
display tank. With this, no water (or very little water)
should flow via the emergency outflow.
• Now turn on the skimmer. Note that the skimmer can
overflow for a short while depending on the configuration
(e.g. with fresh live rocks). Turn the skimmer down as far
as possible and remove the cup if necessary. This effect
will subside after a couple of days.
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