i think your doing a hell of a job verynice setup so far as for those patchs on the leaves it doesnt look at that bad my original grow had similiar results due to poor soil and ph regulation bu fix that ph issue to anywhere between 6.5 and 7 and you'r fine consider lsting thats my word of the month after such great results in my limited room also u could try relecting light fromthe bottom or that table there sitting on to something nice an dull white or some cheap tinfoil the dull side that tables obsorbing as much light as the plants are best of luck great grow so far