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Severe sporadic browning/curling/burning?

My initial thought was to much heat from the lamp but the leaves seemed to not burn at the top as much as they did elsewhere. One smaller leave looks almost shredded with a few little holes as well as shriveled. The stems of many of the troubled leaves are turning purple as is the stalk of one. That plant looks the best overall though. I am using a Sunhut with the white walls but I have been told that my problem is not the outgassing. I don't know what to do, this has happened before though not as severely this time. I don't think I am burning them but maybe I am. Everything I read about Earth Juice was that it was hard to burn plants with it. Any advice you can give me would be very appreciated. Thanks for looking!


SOIL:

How long has this problem been going on? About a week, slowly progressing
What STRAIN are you growing?
Tall Diesel and Short Diesel
What was the establishing technique? (seed or clone?) Clone
What is the age of your plants? A Month to a month and a half. I received them as clones two weeks ago, about a foot to a foot and a half tall
How long have they been in the soil mixture they are in now? Almost two weeks
How Tall are the plants? 1.5 to 3 feet
What PHASE (seedling, vegetative or flower) are the plants in? Flower
What Technique are you using? (SOG, SCROG etc) I didn’t supercrop this time I just transplanted and let them grow. I screwed up my timer and they have been at 12/12 since the day they were transplanted.
What size pots are you using? (Include how many subjects to pot) 3 gallon pots 1 plant per pot
What substrate/medium are you using? What brand of soil mixture are you using?(percentage of perlite, vermiculite...etc?) Black Gold organic potting soil
What Nutrient's are you using? Earth Juice Bloom and Grow
How much of each nutrient are you using with how much water? *Knowing the brand is very helpful* 1/2 tbs. to 1 tbs. per gallon of water
How often are you feeding? Every 3 days
If flowering, when did you switch over to using Bloom nutrients? I am using both grow and bloom
What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect) I mix the bloom and the grow into the same gallon of water and apply at the same time
What is the TDS/EC/PPM of your nutrients used? EJ Grow 2-1-1, EJ Bloom 0-3-1, Black Gold Oganic Potting Soil 0.5-0-0
What is the pH of the "RUN-OFF"? I don’t know. My water has never been a problem before but I am waiting for my pH pen to arrive
What method of pH test was administered? Using Strips? pH pen? Ordered pH pen but it has not arrived yet
How often are you watering? I alternate water and feeding every 3 days
When was your last feeding and how often are you feeding? 5 days ago. Every 6 days now every 3 days the first week and a half. I watered 2 days ago.
What size bulb are you using? 600w HPS air cooled
What is the distance to the canopy? It was a 20 inches for the first week now it’s roughly 30-40 depending on the plant.
What is your RH Factor? (Relative Humidity) It bounces between 43 and 69
What is the canopy temperature? What's the proper way to test this? Do I need a special thermometer?
What is the Day/Night Temp? (Include fluctuation range) 89.6/67.5
What is the current Air Flow? (cfm etc.) I don't know. I keep my hut open in a 10x10 room when the light is on
Tell us about your ventilation, intake exhaust and when its running and not running ? I have been leaving my hut open in a 10x10 room . There is no exhaust fan out of the room but I have the door cracked and a fan blowing air out into a room with an open window
Is the fan blowing directly at plants? Yes I have a fan blowing directly at the plants
Is the grow substrate constantly wet or moist? Yes
Is your water HARD or SOFT? Soft
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water? Well water
Are you using water from a water softener? No
Has plant been recently pruned, cloned or pinched? No
Have any pest chemicals been used? If so what and when? I spray with neem oil every three days. When I do so I turn my HPS off and a CFL on
Are plant's infected with pest's? No
 

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S

sergentjunk

I'll be watching this. As a new grower I want to learn as much as I can, so I'll be interested to see what everyone brings to the table. Plus I had a similar problem, that might be fixed...but I need to see what happens.
Sorry I don't have any advice...just wanna lurk LOL.

*junk
 
I am wondering if Earth Juice is my problem. I PH tested my Bloom and it's got a PH of 4 right after you mix it. Could that be my problem?
 
Yeah, my runoff is between 5 and 6. I bought some dolomite lime. Do i need to add it whenever I use the bloom or just once/now and then to balance the PH? Thanks!
 
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