Nute burn Q

first round of nutes. plants are about 4ft tall. used rapid release 15-30-15 nutes at quarter strength, plants are showing ever so slight burns at tips of leaves mostly lower leaves. if i dont fert again will the problem go away on its own or should i flush?

also its only affecting 1-3 of my plants.

if your 100 % sure its burn , just water asap plain water. for at least 5 days. then re fertilize. I suggest getting a different brand fertilizer. most of the ones I use I go double the strength with out any issues. but mine I veg and flower have very strong lights and co2. post a few pics if your not sure.

Whatcha think?

nute burn or roots system to cold. you have a ppm and ph digital meter?

I can test ph but that's a no on the meter and a ppm meter

as kinddiesel stated nute burn, follow his instruction and you will be fine.