PLEASE HELP!! My Plant is suffering!!

Hey guys i first noticed this about a week ago, i thought it was getting too much light so i moved it away, 2 days later it progressed so i flused the plant is massive amounts of water but its still getting worse. i've removed the worst leaves but here are some pictures of the ones its slowly killing, ive researched a bunch of defiencies but i cant seem to pinpoint this. please help me!!

i just went to 12/12 about 3 days ago, these plants are 6 weeks old, they are all in 5 gallon bucket with lots of holes drilled in the bottom. They are in fox farm ocean forrest, im using the fox farm soil trio. I just ran out of pretty much everything i only had 4 oz sample. Could this be caused from the plants had eaten all the food in the soil and now need more. i have more nutrients in the mail. Its weird because every single plant is in the same circumstance and this plant is the only one suffering.














Its weird because only the top of the plant is affected, the lower seems to be perfect and healthy... any ideas!

you burned it buddy. lay off the fertilzer a little.

ehhhh i think your on the right track but im pretty sure he said he hasnt fed it...or i would say you spilled some nutes on the leaves but that looks like a light burn to me ....how close did you have the light before you backed it off? if the heat is high and the humidity is low you will be very suceptable to this

high temps will RUIN a crop! no higher than 84 and if you see 84 be ready to figure out how to drop it

Looks like it locked out calcium.

damn ive been out of fertilizer for 2weeks, i thought it was the lack of.... Well i might as well tell you my feeding schedule. i usually water/feed ever 4-5 days with these big buckets. out of 6 weeks ive feed them 4 times 2 tsp. of grow big/ big bloom every other watering, except for the last 2 weeks.

yup. you burned it. you'll be alright. ppl always want to kill their plants with love.

im using a 600w hps and its 30 inches away. hmm my thermo never goes past 80. you guys dont think its a nutrient defiency?

dannyboy ill take ur word. any suggestions on how to fix. ive already flushed a few days ago.

and thats about all you can do. the plants are gonna produce buds anyway. you'll be ok.

Do you have an EC meter to check the runoff of your flush? Also are you using PH'ed water? It def looks like nute burn. You should flush with a min of 2x the container volume of water 3x is even better. So 3 gallon container= 6-9 gallon flush.

im PH ing my water yet but with a die kit, couldnt afford a real meter at the time with all the start up stuff. im looking into getting one now. i try to get the water from 6.5 to 7

This will also happen if there is too much heat and the light gets too close or and no fan and had water on the leafs seen em burn like this too, good luck and first thing is first no more nutes only use nutes every third feeding. in soil

Light burn is a bleached look, your's is a rusty necrotic problem.

i try to get the water from 6.5 to 7

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No leave it at 6.5, this is the problem imo. Get a digital meter.