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When introducing new corals to already acclimated systems, start by
positioning them at the lower levels of the aquarium and gradually
raising them to their desired position over a period of several weeks.
Keep watching for signs of photo inhibition/stress and if necessary return
an affected coral to lower levels for recuperation.
11 Initial Fill
Follow the mixing instructions for mixing your artificial sea water. It is
advisable to place any substrate or live rocks in the tank before adding
the water as this will significantly affect the overall volume of water
required.
Add the seawater to the main tank, rear sump and directly into the
skimmer (to prevent it floating instead of filling with water) until the
water is at the level of the circulation pump outlet nozzles. Turn on the
skimmer pump and circulation pump and add more water to the system
until the water level in the rear sump is approximately 10cm (4") below
the rim of the aquarium.
NOTE: If you have mixed your saltwater for the initial fill inside the
aquarium wait until the salt is fully dissolved and that the water
has reached the desired salinity and temperature before trying
to set the final water level.