Hi Chokoananas
Hi mate this should help.
And she looks good and healthy for 4 weeks plant.
Looking forward to following you to see how this strain is going to perform.
When growing in soil, you should liquid feed every other watering–if not less–depending on the complexity of your soil.
At the very minimum, you might only liquid feed a few times throughout their growth until flowering has started.
You should begin off with small dosages; if your product says 4ml/L for adult plants then you need to start off with 1ml/L, and only begin using it once the leaves on your plant have three points. Once those leaves appear you can start using your growth fertilizer in the irrigation water. Once the plant begins growing more then you should raise the dosage until you reach the maximum milliliters allowed, and always use it with every second watering.
Some people find that their plants thrive at a lower dose while others achieve the same results with more nutrients.
The key is to be observant of your garden and pay attention to how the plants respond to fertilizer.
Too little food and the plants will have stunted growth, while too much food can lead to nutrient burn and lockout.
Hopefully this helps and good luck.
Please send me PM if you would like more help.