The better seed between autoflower and feminized seeds depends on the preference of the grower. You may prefer to use specialist low strength seedling nutrients at this stage. Although not official, it is ostensibly legal in most of Europe and if not legal, then certainly tolerated.  Source: <a href=https://perumachupicchumagico.com/2013/06/12/seed-sowing-secrets-a-deep-dive-into-cannabis-cultivation/>https://perumachupicchumagico.com/2013/06/12/seed-sowing-secrets-a-deep-dive-into-cannabis-cultivation/</a>