3rd grow but with good seeds

alright i got my white widdow seeds and freebies this morning from sea of seeds.com but i dont wanna just dive in is there any specifics this strain likes to make it grow better im super excited about my next grow now and i just wanna make it as smooth as possible ill be growing in garden safe organic dirt and the dyna-gro nute line grow,bloom any feedback appreciated.
 
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