Quick One Window Grow

First time, casual grow - Not expecting anything amazing - Just doing this for abit of fun! Anything extra is a bonus! After germinating 2 seeds successfully, I planted these two babies into some spare houseplant soil that was left over (Westland Houseplant Compost - 65% Peat (Is that bad?)). They have been growing well so far as you can see from the pics. Sunlight on the window has been off and on the past few days due to bad weather. Going to track their growth as best I can from now onwards. I haven't been measuring PH or adding any nutrients, trying to keep it as hands off as possible, not sure if this is essential. PS Had some problems with stretching early on - I guess because of light. I filled the pots up with more soil and buried the stems a little more as you can see from the pics. Any tips will be greatly appreciated!