Serious Happiness under Q4W-Generation 2

Two seeds have sprouted earlier and grown into small plants while two others were germinated later and just start. The 5 day difference is not much and I am sure they will catch up. The 4 plants are growing under 2 Q4W Generation 2 LED lamps from SANlight in Austria. They are DIMMED to 40% (2 green lights on dimmer) and the SUNRISE FADE is on (=orange led on dimmer). SANlight recommends dimming during the early phases (=germination and veg.) in order to ensure enough stretch of the plant. I am following the recommendations from the SANlight U-tube channel, which is VERY informative and helpful, every grower should check it out: https://www.youtube.com/watch?v=z0f5E8h5Fwk The tent used for this grow is a HOMEBOX Ambient R120 with a size of 120x90 cm (=1m2) and the complete nutrient program of MILLS-nutrients was used to feed the plants.