p. 157 - 162 PREOCCUPATIONS DE FILTRATION ET DE STERILISATION DE L'EAU DE MER DANS LES STATIONS DE REPRODUCTION POUR L'AQUACULTURE D. Dorogan, A. Moise et Elena Dumitrescu Institut Roumain de Recherches Marines Constanta Abstract Obtaining big lots of embryos eggs and juvenile marine organisms in order to repopulate sea waters, means, proper controlled reproduction stations where the results are dependable by the water qualities. This paper presents some efforts on this purpose describing a supply water station and solving sollutions on the filtration (pressure microfilters) and sterilization (ozone) of the sea water used for growing larvae and post-larvae which are very sensitive to qualitative parameters variations of the sea water.