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 13eetleJuice
The ghost with the most
Registered: 04/20/08
Posts: 368
Loc: 6' under fertalizing bud
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 Curled, Brown Leaf Tips 
#412424 - 05/05/10 10:59 AM (13 years, 11 months ago) |
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Soil Growers:
1. Are you growing from seed or clones?
-- bag seed
2. How old are your plants?
-- approximately 18 weeks (131 days). 80 days veg / 51 days flower.
3. How tall are your plants?
-- Non-LST'd plant: 2.5ft. from soil to tip.
-- LST'd plant: 1.5ft. from soil to the plant's natural apical tip.
4. What size containers are they planted in?
-- 1 gallon
5. What is your soil mix?
-- 50% aged potting soil (likely 6 years old)
-- 30% perlite
-- 20% vermiculite
6. How often do you water and what type of water do you use?
-- I water every second or third day with well water from the tap, amended with Schultz 10-15-10 Plant Food Plus liquid fertilizer, following the instructions on the bottle of 7 drops per quart of water every watering.
7. What is the pH of your water?
-- 6.0-6.2 from the tap
-- 7.2-7.4 with Schultz added (which I've been adjusting with pH DOWN to 6.4-6.5 prior to watering.)
8. What kind of fertilizer do you use and what is its NPK ratio?
-- Schultz 10-15-10 Plant Food Plus
9. Do you foliar feed or spray your plants with anything?
-- I foliar fed with tap water during veg occasionally but, not during flower.
10. What kind of lights do you use and how many watts combined? (HPS, MH, fluorescent, halogen, incandescent "plant lights")
-- ~250w combined (5x23w CFL, 4x26w CFL, 2x13w CFL, all 2,700k plus 1x17w 7,800k Fluorescent Tube)
11. How close are your lights to the plants?
-- 4" to 6"
12. What size is your grow space in square feet?
-- 8.75ft.2 total grow room space
-- 3.75ft.2 actual square footage of space filled by plant foliage
13. What is the temperature and humidity in your grow space?
-- Temperature: Usually 86 degrees Fahrenheit
-- Humidity: I don't know yet. I'll recalibrate my hygrometer and update this post.
14. What is the pH of the soil?
-- I don't have a soil pH tester. It is the next item on my shopping list.
15. Have you noticed any insect activity in your grow space?
-- The house fly that I killed yesterday is the only insect I've seen in my grow space.
16. How much experience do you have growing?
-- This is my first grow.
Many of the older, larger fan leaves have begun to yellow and fall off.
I've had a minor problem with curled, burnt leaf tips throughout the grow but now it's starting to get worse and is showing up prominently on new growth, something that hasn't happened before. Previously I had attributed this to heat stress as it is generally 86 degrees inside the cabinet when the lights are on. Sometimes it creeps up to 90 and on a rare couple of days it's gotten as high as 95 but that was a few weeks ago.
Here's a couple of pictures to illustrate the problem:
  
Here's the link to the full Grow Log
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 m3kgt
User
Registered: 04/29/08
Posts: 1,011
Loc: G-Spot TX
Last seen: 6 years, 9 months
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Re: Curled, Brown Leaf Tips [Re: 13eetleJuice]
#412581 - 05/05/10 04:00 PM (13 years, 11 months ago) |
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classic nute burn that you have been on the verge of that finally has taken its toll. At this point it will only get worse. How many times have you flush in the plants lifetime? Also try to get ahold of ur temps man; do you have any circulation/ ventilation in the room?
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13eetleJuice
The ghost with the most
Registered: 04/20/08
Posts: 368
Loc: 6' under fertalizing bud
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Re: Curled, Brown Leaf Tips [Re: m3kgt]
#412594 - 05/05/10 04:16 PM (13 years, 11 months ago) |
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Nute burn, huh? Thanks for the reply!
I've only truly flushed (with 3x the volume of the container) once in the plants lifetime. That was just a few weeks ago.
When I water I've done so until I achieve about 20% runoff.
I'll prep some plain pH balanced tap water and give it another good flush.
That's unless you don't think it would do any good...
Quote:
m3kgt said:
classic nute burn that you have been on the verge of that finally has taken its toll. At this point it will only get worse
Unfortunately there's nothing I can do about the heat situation right now. I've got two fans moving air around inside the space and one 8" exhaust fan removing air from the top of the closet as it's drawn in from below at floor level.
Regardless, the closet remains about 10 degrees warmer than the ambient room temperature. This room is hard to cool without keeping the rest of the house freezing cold but it's obscure and guests don't chance finding my grow when visiting. 
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13eetleJuice
The ghost with the most
Registered: 04/20/08
Posts: 368
Loc: 6' under fertalizing bud
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Re: Curled, Brown Leaf Tips [Re: m3kgt]
#413063 - 05/06/10 12:31 PM (13 years, 11 months ago) |
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I only had a few hours in the daylight cycle remaining when I checked the reply, nevertheless I flushed them with as much water as I could in the remaining few hours. Each pot got about one and a half times it's volume; not nearly enough.
This morning the soil is still very moist; should I chance trying to flush it some more so soon?
What am I risking, if anything, by flushing again today?
Should I give the soil a day to dry out a bit and flush the plants tomorrow instead?
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Hawksresurrection
Registered: 12/04/08
Posts: 13,464
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Re: Curled, Brown Leaf Tips [Re: 13eetleJuice]
#413177 - 05/06/10 05:34 PM (13 years, 11 months ago) |
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Flush again with the appropriate amount and go from there. It's not going to hurt any.
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Dude she isn't as young as she use to be.
-niteowl
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