First indoor grow adventure

Entering week 6 of flower. I have increased lamp distance from 20cm up to 35cm. Lamp was hanging to close and some leaf tips were burnt from heat stress. I flushed all plants with clear water. Decreased nutrition down from 4 to 2ml/L. I will stop giving nutrition at the end of week 7 of flower. Harvest arround week 9 i guess. So far im really happy with the northern lights from linda seeds. It seems like they are all the same pheno. Og kush from bulk seed bank has 2 different pheno. The one in the far left corner will take longer (probably arround 10 or 11weeks). The other og kush pheno is a lil smaller but with bigger buds. I made alot of mistakes so far, but im kinda happy so i can learn. Next grow i will adjust alot of stuff. I know my plants dont look crazy, they were locked out. Things only can get better =)