Quote Originally Posted by lipps
Those aren't true leaves they are an energy source for the plant to use to grow while it'd making roots and are suppose to do that, the first set of leaves look fine. Do those cups have drain holes and the soil looks a bit wet and with those clear cups you should be see a lot of roots if not something is off. They look a bit spindly and stretched that could be the soil or light source.
changed the soil, so you suggest a more powerful light?