Hello.. Hope you are well.. If shes in canna terra then she will b gud with just plain ph'd water
@6-6.5 for 3-4wks from seed(depending on her growing speed).. Any signs of leaves dulling out and losing that shiny gloss they have then giv3 her a feed.. Alternate between feeds aswell.. Eg,food then water etc.. Always check ur ph b4 using ur solutions and adjust if needed.. Check ur solutions ec/ppm if possible b4 feeding.. Stay safe n gud luck.., 👍🍀