Just keep out of intense light (the younger they are the less light), also keep you PH in check (5.9), also try raise humidity a bit, when they are young they like it. SLIGHTLY Mist your girl with PH (5.9) once a day, Take care not to over water, they do not need much at this point.
checklist for you should be this:
1. make sure water is PH 5.9 ( only mist top of your soil until damp) (and give one tiny spray to top of leaves)
2. make sure it has enough humidity
3. keep out of direct intense light
4. Dont mess with nutes yet
5. keep humidity up
6. Regulate your temp
7. Dont mess with it too much, just let it do its thing