it's an even setup, good for vegging, though you should'nt fert till they are at least a month old and then only if they need it, when they flower you want to switch to something with a low first number(nitrates) and something with a high last number(potasium). the middle number is for phosphates, they are important but i don't know how, secondary nutrients are also somewhat important, calcium, sulpher, and magnesium.
cannablis, when your plants are at there largest they should only get half potency as per directions on box, yellow and dying leaf tips are a good sign of fert burn, i would suggest you flush the soil with clean water for a while.