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One plant dying fast, Hg poisoning?

wdihwipee?

New member
This plant was close to a 30w twister cfl when it exploded. Is mercury vapor harmful to plants? I don't know why this plant would die so fast while the others still look fine. I don't have pH or ppm test equipment. The first picture is from yesterday morning when I first noticed effected leaves. The other pictures are from today. (could not attach, pictures are uploaded to gallery only) Sorry for not providing more information

What STRAIN are you growing? unknown/bagseed
What was the establishing technique? (seed or clone?) seed
What is the age of your plants? about 40 days
How Tall are the plants? about 10 in
What PHASE (seedling, vegetative or flower) are the plants in? vegetative
What Technique are you using? (SOG, SCROG etc) none
What size pots are you using? (Include how many subjects to pot)
What substrate/medium are you using? (percentage of perlite, vermiculite...etc?) ~35%earthworm castings, ~30%perlite, ~25%vermiculite, ~10%sphagnum moss, 1/8 cup per gal kelp meal, 1/8 cup per gal bat guano, 1 tsp per gal horticultural lime.
What Nutrient's are you using?How much of each? How Often? *Knowing the brand is very helpful* Not feeding yet
What is the TDS/EC/PPM of your nutrients used? NA
What is the pH of the "RUN-OFF"? unknown
What method of pH test was administered? Using Strips? pH pen? NA
How often are you watering? about every 3 days
When was your last feeding and how often are you feeding? Not feeding
What size bulb are you using? 400w HPS
What is the distance to the canopy? 20"
What is your RH Factor? (Relative Humidity) 45%
What is the canopy temperature? 77F
What is the Day/Night Temp? (Include fluctuation range) 72-82F/65-73F
What is the current Air Flow? (cfm etc.) unknown
Is the fan blowing directly at plants? yes
Is the grow substrate constantly wet or moist? no
Is your water HARD or SOFT? bottled drinking water
Has plant been recently pruned, cloned or pinched? no
Have any pest chemicals been used? If so what and when? no
Are plant's infected with pest's? no
 
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MynameStitch

Dr. Doolittle
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Lady420: I don't think that was the problem. The smaller plants being affected seem to me the mixture is too strong for them; if that was the case of not feeding then his other plants would be showing nitrogen issues and other micronutrient problems; the smaller plants are the ones being affected which tells me the mixture he is using on the smaller plants is too strong. I also know who you are

Wipee: I would flush out the ones that are being affected; the ones you posted in your pictures....... I would use about 2 gallons of water on the ones being affected; what size pots are those plants in?


Jinx; Lady 420 is not a lady HE is someone on here who everyone dislikes because he gives out bad information and has no growing experience; you will know real quick who I am talking about. Remember if someone is giving out advice with no gallery and crap information; beware!
 

wdihwipee?

New member
All of the sick pictures are of the same plant. All four of the plants have been in this soil long enough to seem to recover completely from the nutrient burn caused by my original mix, so I don't think the issue is too strong of a mix. I worry about the bottled water, pH of soil runoff, and possibly mercury poisoning. This happened over less than 48 hours. There are obvious brown marks in the middle of some leaves.

I have posted more pictures to my gallery. Title indicates date of photo. One of the pictures from 12.12.07 shows all four plants more or less healthy (just before Hg exposure).

Could flushing cause more problems? Should I even worry about that given that the plant looks almost dead?

I think they are 1 gallon pots.
 
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MynameStitch

Dr. Doolittle
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Were all the plants under the MV light or just the ones being affected?

MV is a bad light to use and it's spectrum sucks
Never heard of plants doing that from a MV light....

Well considering you got more plants and if you can't save it I would just toss it... but everything is worth a try... honestly I would just flush her out.......

What bottled water are you using? Make sure it does not contain sodium.... should say on the bottle if you buy store bottled water.....

flushing will only cause the plant to have too moist of roots for a bit.... you have the right size pot for the plant so the plant will be able to dry out without causing ill effects too long.....

Flushing removes built up and excess salts that is in the soil from left over nutrients the plant did not use or excess of what the plant could not take in from it being to hot.

All strains are also different in terms of nutrients and such.....
Some can take hotter soils and pH flucuation and some can't and considering your growing out bagseed you know nothing about it which can cause growing problems.
 

wdihwipee?

New member
It was actually just a compact fluorescent light. A 30w twister daylight spectrum bulb. The tube contains mercury vapor, whether or not it is enough to cause that plant to die is my question.

I will try flushing the soil and post the results.
 

jinx420

New member
MynameStitch said:
Jinx; Lady 420 is not a lady HE is someone on here who everyone dislikes because he gives out bad information and has no growing experience; you will know real quick who I am talking about. Remember if someone is giving out advice with no gallery and crap information; beware!

LMAo...if forget things and people online aren't always what they seem to be...still a cute pic...but why would a guy call himself a lady? lol. thanks for the heads up Stitch :nono:
 

MynameStitch

Dr. Doolittle
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Jinx, trust me dude... it's him cause everyone knows all his handles..... ask around.... but trust me I KNOW it's him; he would post in this one thread and use his other handle, not to mention someone who was his friend ratted him out and told all his handles.

Dude, all compact fluros have mercury in them; hell no it is not going to cause a problem for the plant; do you realize how many people here use CF's to grow with?

The bulb would have to break on the plant for issues to arise and even then it would be a severe health hazard to you......

So NO way in hell would a 30W CFL cause mercury issues with a plant; it is your mistake you made with the plant that caused the problem..... has nothing to do with your lighting.
 

wdihwipee?

New member
MynameStitch said:
Jinx, trust me dude... it's him cause everyone knows all his handles..... ask around.... but trust me I KNOW it's him; he would post in this one thread and use his other handle, not to mention someone who was his friend ratted him out and told all his handles.

Dude, all compact fluros have mercury in them; hell no it is not going to cause a problem for the plant; do you realize how many people here use CF's to grow with?

The bulb would have to break on the plant for issues to arise and even then it would be a severe health hazard to you......

So NO way in hell would a 30W CFL cause mercury issues with a plant; it is your mistake you made with the plant that caused the problem..... has nothing to do with your lighting.


It did break on the plant. That is what I have said from my first post. I never said anything about using a mercury vapor light or that cfls cause problems.
 

MynameStitch

Dr. Doolittle
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Veteran
You said it exploded; you did not say it exploded on the plant dude, ; but mercury is extremley toxic and I am sure it polluted the soil as well as other areas around it.... very contaminated and be very careful, in order to have it fully cleaned up it has to be done by someone; that area where it exploded is contaminated for a long time.... I would scrap that plant and decontaminate the entire grow, unless you want to smoke yourself retarded......

Seriously, don't take this very lightly and I am sure you know the dangers of it...... but it's like radioactive waste once it contaminates an area; it's very hard to clean up right and no matter what stuff you use it's hard to get it cleaned up and virtually inviable.....

and yes I am sure that plant is contaminated and I would take the plant with gloves on and chop it up and get rid of the soil and the pot somewhere else.... I would also not be walking in the area with shoes on but with some kind of boot you put over your shoes; when you walk in that area you are contaminating other areas where you walk out of your grow room...... this is no easy matter and should not be taken lightly..... more.

Floor needs to be mopped with something that is disposable like a swiffer mop and air filters that are being used should be considered contaminated and any soil that was affected should be disposed of...... walls should not worry about it unless the plant was near the wall; but you should consider the air filters or filtration system you are using/soil/pots in the area of the CFL should be thrown out.

You are going to have your hands full with this one; it's very very hard to properly clean up; if you let someone know about the mess; they have a hazard crew come in and put your house area up for contaimination warnings and crap.......

It's that serious.... obviously you don't want that; so in order to clean this up properly..... you will need to spend time and money.....

Go to a friends house and call chemtrec and ask them what to do in case you break a cfl in your house; I have heard people saying that they broke one in a bedroom and called and it was almost like a asbestos abatement operation.
 

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