When you are close to harvest never use any ferts of any sort. The only thing I have ever added to plants in flowering without it having any effect related to burining was sugar. Sugar helps bud developement and is a great anti-stress additive.

Happy Toking :rasta:
kush07 Reviewed by kush07 on . help urgent assitance needed to much fert :( i have 2 plants growin outside one is 61/2ft and doin great naturelly.the other ive been experementing with is only 4ft but i have been coverin to give it 12/12 for the last 81/2 wks, plant was goin great untill last week when i thought i would give it a last boost with a dose of fishblood fert,but me bein a dumb ass gave it to much and within 48hrs the top of the plant turned brown and leavees started to curl up, i have flushed the plant through twise now and that seems to have stopped the Rating: 5