my stems on my plants are turning purple. The strain is chocolope and are about 4 - 5 feet tall. using canna cocoa soil. please help thanks

Why are my chocolope plants stems turning purple and some of the leaves are turning yellow and falling off about 4 - 5 feet tall.

What does the rest of the plant look like? Leaves nice & green? Any signs of wilting or curling or anything bad?
Lets see some pics.

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sorry for the bad pictures I had to use my cell phone

The pics aren't bad. Thanks for posting them.
The plants look good, you might want to consider boosting the nitrogen a little.
What kind of nutrients do you give them?
It's normal for the older, lower leaves to eventually turn yellow & fall off as their efficiency declines.
How old are the plants?
What kind of lighting is that?
How much longer until you flower them?

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400 w metal halide in a 4 x 4 x 7.5 grow hut side back light t5 flouresent. Two fans one pointing towards the light, and one oscilating fan blowing on the plants. Aswell I have a small intake fan and a humidifier. Hopefully I can keep these as my Mother plants. Nutrients I am using is Flora Nova Grow with synergy, I just got some cal mag to boost the nutrients (just used it once so far), and I just got blood meal but dont know what to do with it. I have 5 more plants in my other room that looks allot healthier. I will post those in a sec I do not know which ones I should use for my mother plants though...

Thank you very much for your reply sorry that I am all over the place.

I will post the details of the second room with the pics...

second grow room has a air cooled reflector with a lumetec 400 w digital ballast metal halide. exhaust 6" vortex.
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thanks for your advice

oh ya they have been veging since june
and I just started to take clones from them,
I am having bad luck with the clones
but I will get it one of these days
just learned a new trick with the zip lock bags instead of my tray dome.

just woundering if I am using the correct nutrients and what should I use when I flower them?

I'm not familiar with the nutes you listed... Although I'm sure they're fine.
Are you giving full strength? What pH level are you adjusting to?
You should switch to a bloom nute when you change the lights to 12/12 for flowering.
Are they all girls?

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I am adjusting the ph levels 6.5 the soil is soiless cocoa fibre soile and I am using a drip system maybe every 2 days.

The nutrients are:
GENERAL HYDROPONICS
Botanicare Cal-Mag Plus - Garden.com
Bio-Genesis Synergy

Using full strength. the temps are above 80 and the humitity ranges from 45 to 55.

thank you again for all your help

yes they are all girls. but I started another strain in the same room a month ago still have to check its sex.

fill out the troubleshooting form at the top of this section...

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http://boards.cannabis.com/basic-gro...e-harvest.html<-It's a grow guide! Enjoy!
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I don't claim to know the first thing about growing anything; hell, I can't make a Chia pet sprout.

sorry for double posting I didnt know which forum to post it in but ... I have created a different post in growing indoors has allot more information

http://boards.cannabis.com/indoor-gr...le-plants.html

Thanks

thank you everyone for your responses hope I can get my plants back to norm thanks again

You won't be able to get healhy clones off a sick plant. Concentrate on plant health first.
You need to run calmag in a coco system, but even better, use a coco-specific nutrient like Canna Coco. Coco has properties that are different from soil or hydro and tends to have calcium problems.
What is your runoff pH and EC?

Forget about the blood meal. There's no place for it in your type of grow.

Temps over 80? How much? Keep it under 85 at the canopy, with lots of air flow. Do you have an actual exhaust or are you just moving ari around inside your room?

__________________
"Careful what you carry- 'cause the Man is wise- you are still an outlaw in their eyes" -Steely Dan
"Multiple pieces of anecdotal evidence do not equal scientific fact." -Rhizome
"If the Queen Bee ain't happy... the hive isn't happy!"-Dutch Pimp
http://boards.cannabis.com/basic-gro...e-harvest.html<-It's a grow guide! Enjoy!
http://boards.cannabis.com/plant-pro...hy-how-do.html <- all the boring stuff about soil chemistry you never wanted to know
http://boards.cannabis.com/grow-log/...ml#post1837597 <-how to make canna caramels
http://boards.cannabis.com/grow-log/...ml#post1820481 <-illustrated cloning guide permalink
Contacting Her Dankness: stinkyattic at hushm4il-please use the same discretion you do on the boards, thanks.
I don't claim to know the first thing about growing anything; hell, I can't make a Chia pet sprout.

H=Hydro
C= Cana Coco
T=HydroTent
D = drip system
E = Everyone
E = indoor
E = canna coco
E = Tap Water
E = 6.5 ph
E = 4 months
E = Firtilizer Cal-Mag Plus, Bio-Genesis Synergy, FloraNova Grow
E = 400 Watt metal halide with a sun glo t5 48 on side
E = low 80's
E = 45 - 55 humitidy
E = 24 / 24
E = two oscilating fans and one small intake fan with portable air conditioner outside of tent

no actual exhuast in the veg room and the air is circulating around in the room. I have a portable air conditioner outside of the grow tent. I have asecond tent with a 6" vortex exhaust with a air cooled reflecter for my flower room. I havent set up my flower room to 12 /12 yet though waiting for my clones.

The max temp my room get is 83

runoff pH and EC I ussually dont let that much water in my res and aswell I dont have a ph tester

just started in june really expensive equipment... and seeds. so far I have chocolope, g13, germinating my jack hair, and going to germinate my african poison soon. all mother plants ...

Canna Coco is a full media + nutes system and IMO you should run it as a system instead of trying to reinvent the wheel. Also, coco is a system where you need to be able to test your pH. How do you know your pH if you don't have a meter? You posted it earlier... Get some liquid indicator asap.
You absolutely need an exhaust. Turn your intake fan to an active exhaust and place it high in the room. I hope it's a good sized one?

__________________
"Careful what you carry- 'cause the Man is wise- you are still an outlaw in their eyes" -Steely Dan
"Multiple pieces of anecdotal evidence do not equal scientific fact." -Rhizome
"If the Queen Bee ain't happy... the hive isn't happy!"-Dutch Pimp
http://boards.cannabis.com/basic-gro...e-harvest.html<-It's a grow guide! Enjoy!
http://boards.cannabis.com/plant-pro...hy-how-do.html <- all the boring stuff about soil chemistry you never wanted to know
http://boards.cannabis.com/grow-log/...ml#post1837597 <-how to make canna caramels
http://boards.cannabis.com/grow-log/...ml#post1820481 <-illustrated cloning guide permalink
Contacting Her Dankness: stinkyattic at hushm4il-please use the same discretion you do on the boards, thanks.
I don't claim to know the first thing about growing anything; hell, I can't make a Chia pet sprout.

I only have a liquid test kit for my ph. I will check my res ph next watering... my intake fan is only a Axial Fan 4" 105CFM
fan1.jpg
one of my oscilating fans is attached close to the top of the tent pointing towards the light and the top exhaust hole. the other one is pointing on the plants.

now in my flower room I have a air cooled reflector with a 6" vortex 449 CFM exhaust with no intake and one oscilating fan.

but the portable air conditioner is there in front of the two tents ... hrm
diagram.JPG

diagram
left flower --- right veg

Canna coco is great, but only if you are very informed with the product. Let me begin:

Coco, just by it's natural properties, competes for nutrient uptake with the plant. It sounds bad but it's really not. For the most part the only problem you'll have with coco is Calcium uptake; however if you supplement your water with Calmag you will be fine.

In addition to this coco is unlike any other medium. It is neither hydro, soil or soiless. Therefore your feeding won't look like any of those types of grows. Technically you could feed it hydro nutes and probably be fine; however you really want to try to use coco specific nutes. They will ensure that your plant get's all the nutrients it needs without worrying about the coco getting in the way.

PH... Canna Coco naturally buffers itself between 5.2 and 6.2 ph. Coco although is neither hydro, soil or soiless... can be treated like any one of the 3 with hydro being optimal guidelines for this medium. You want to try to water with PH water of 5.5-5.9 ( I feed at 5.7-5.8). However as long as you are within 5.2-6.8 you will be fine in this medium. I had purple stems on my plants when I was watering with ph 6.2. I lowered the PH as the plants got 1-2 weeks older and now my stems and branches are a lovely green.

drip system: While a drip system is actually a pretty good idea with coco.. you can over do it. It's very hard to overwater coco.. I sincerely mean very hard. However if you have your drip system coming on very frequently or on all day long you will create an environment that is oxygen deprived for your plants root system. Your leaves look droopy, this could be for a number of reasons.. one of those reasons being over watering.

Tap water: because Coco is very similar to a hydro system you should try to monitor your PPM reading. There are people who are pushing 2100ppm, but until you get the hang of coco I strongly recommend going no higher than 1000ppm - 1300ppm total.. that is your tap water + nutes + calmag + any other additives you use.

lighting: your lighting appears to be good but I'm curious as to why you're using a MH instead of an HPS when you are 4 months into your plant. Furthermore I'm curious as to why you are running 24 hour lighting. You should be trying to flower. Also how far away are your lights from your plants?

temperature: Photosynthesis is most efficient at around 78 degrees. You lose a considerable amount of efficiency for each degree over that up to 85; at which point photosynthesis DRASTICALLY drops off. Keep your temps in the high 70's, not the low 80's. You probably have several hot spots on your plant that peak above 85. I would not doubt it. Mylar if not laid out correctly will create hot spots.


Ventilation: Your ventilation is backwards. You want to exhaust your air and have a passive intake system. Not the other way around. Your exhaust will naturally draw cool air into your room while at the same time exchanging/exhausting the hot stagnant air. Which may also allow you to move your light closer to your plants. The key is to exhaust the entire room in 5 minutes. Faster is of course better (if you're not running CO2). In a 3x3x6 area. Your 105CFM should be adequate but I've always question the ability for axial fans to be able to exhaust a room faster than the light can build up heat.

Be careful if you do end up moving the light closer though. Temps are, in my opinion, slightly more important than lumens when all things are equal.



Also a side note.. pull your plant out of the pot and inspect the root system. I bet you'd be surprised to find that you are more than likely rootbound. Roots THRIVE in coco; they will consume your medium.. almost becoming your medium entirely. While this isn't necessarily a problem if you have your grow in check and you water more frequently (soil and soiless mediums don't have this benefit.. once you're rootbound you HAVE to transplant) but if your grow is not 100% in check you may want to just go ahead and transplant into a bigger pot. Soil chemistry can become a pain even in Coco with a rootbound plant unless you know what you're doing.

Good luck

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wow thank you soo much information

distance - ok to start the plants are about 1 feet to 2 feet away from
the light...

drip system - I found it is best for me to manually turn it on
every 2 - 3 days ...

Water - I dont get the ppm

Ventilation - is 105 cfm ok for the exhuast

lighting - Mother plants, have t5 sun 48" lower to the side of the plants
- MH vs HPS which one is for flowering and which one is for veg
- Flower room (left my air cooled room) has a lumetec ballast
that is interchangable between MH and HPS but my veg room
only has a MH ballast

temps - 82 at the top of the plants under the light