The filter system are activated in Summer of 1998.
It works 1 year without the basin.
The basin in the living-room works since August of 1999.
In September, four weeks after brimming with saltwater,
i giving 25 kg "sea water-stones" into the basin.
Then the water of filter system and the water of basin are slowly mixed.
In the summer of 2000 the first fishis and corals move in the basin.
