hi, are you sure you water just 5 cl (50 ml) , because on the Photos the soil look like 500ml.. The right amount for such a lil girl would be 3-5 cl .... I
As you are using a full Prefertilised Soil Your plant dont need any fertiliser for the next 4 weeks. I think your girl got a To much water-to much nutrient mix. i hope she survives at all. Wait a little an show us some more Pics in the following days. no nutes and only a little water happy growing