quick question from me bein dumb as usual . i grew some budgie grss last year then threw it away lol cus was worried anything like bugs or germs were in the soil n didnt want them sick , now YEA i am agardener n kno i HAD to use soil but by the look of your tray in the vid you just left the soil etc in so presume this is ok for me to do if i grow em some more xx