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A little help please with with my xj13 please

redonk

New member
These are my XJ13 at 3 weeks. This is my first time with this strain, coco and the room.
some of them seem to be a bit on the lime green side with some rust spots on the lower leaves as well as some yellowing on some.
Do you y'all think they are doing all right or is it a def. I ve been feeding them top drip with gh micro 6ml, bloom 9ml, 2ml cal mag, 3ml per gal kool bloom sm90 800 ppm, every other to 3rd day, temp is 78 in the canopy, 1300ppm of co2. Ph 5.8 hum. 50-55% sealed room. I do a flush every week.

HYDROPONICS/Aero Ponics/Coco/Soiless/

How long has this problem been going on? the affected started showing signs *** The effected plants have been showing some of these sign since day 8ish of flower

Are you growing in a PVC grow tent? (example: Hydrohut or any other non brand tents) no
What system are you running? (DWC? Ebb flow? Aero? Water Farm? Flood Tables? and so on...)*** top drip drain to waste, weekly flush
What STRAIN are you growing? xj13
What was the establishing technique? (Were the seed or clone?) **** clone teens vegged in 3in coco cups for 3 weeks
What is the age of your plants? ***** 3 weeks veg, 3 week flower
How long have they been in there mixture they are in now?(coco,soiless etc..) **** in 1 gal coco bags for 3 weeks and a day
How tall are the plants? 18-24inch but they are all tied down probably larger if not tid down
What PHASE are the plants in? (seedling, vegetative or flower) are the plants in? flower
What Technique are you using? l.s.t.
What substrate/medium are you using?(Hydroton, RockWool etc.) canna coco
What is the Water temperature? 62-65 F
What color are your roots? White? Brown? Are your roots slimy?White from what i can tell sticking out of the holes
What Nutrient's are you using?(If growing soiless) gh cal mag 2ml, micro 6ml/g, bloom 9ml/g kool bloom3ml, sm 90 all per gal
How much of each nutrient are you using with how much water? *Knowing the brand is very helpful*
How often are you feeding? (If using soiless) 2-3 days i give them nutes then flush at the end of the week.
How often are you giving nutrients? (If using soiless) every feding with a freahwater flush evry week
If flowering, when did you switch over to using Bloom nutrients? from the beginning slowly ramped up th ppm from 500-800
What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect) in the order I listed above
What is the TDS/EC/PPM you are using? currently feeding at 800-850ppm nacl scale
What is the pH of the "Tank"? 5.8 before every watering
Are you sure your calibration is correct on your equiptment? I calibrate the shindign pen before every use. and tds every couple uses
When was your last watering?1 day ago
What is your water temps? 62-65F
When was your last feeding change? (ie. grow-bloom-micro-additional) I fill a clean res before evry watering
How often do you clean your system: example: Flush out water replace with clean water and nutrients? almost every watering
What size bulb are you using? 2 1k
What is the distance to the canopy? 32 inch space with air cooled hoods
What is your RH Factor(Relative Humidity)? 50-55rh
What is the canopy temperature? 78-81F
What is the Day/Night Temp? (Include flucutaion range) 74-76F 4-6 degrees F
What is the current Air Flow? (cfm etc.) 700cfm on lights fresh to fresh. sealed room with 1300ppm co2 6 circulation fans
Tell us about your ventilation, intake exhaust and when its running and not running ? sealed room
Is the fan blowing directly at plants? a littl bit
Is your water HARD or SOFT? i have a hydro logic filter ppm iss reading about 40 ppm after filter
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water?
Are you using water from a water softener?no
Has plant been recently pruned, cloned off of or pinched no
Have any pest chemicals been used? If so, What and When?
Are plant's infected with pest's I have seen a couple fungus gnats very few. I have sticky traps out


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redonk

New member
I have been filling the res with hydro logic filter water, adding ferts and adjusting ph let stand and readjust if nec. before every watering. If I were to let the water stand then yes the ph would drift, but I don't.
 
W

Wasabi420

strange......I've never seen anything like that before. could it be an insect or mold problem???
 

Snype

Active member
Veteran
I'm a little confused about your flush and feed schedule. Can you give me an example like Sunday through Saturday. For example:

Sunday: 6/9 or water
Monday: 6/9 or water
Tuesday: 6/9 or water......

On another note, in my opinion to take advantage of all the CO2 that you are using, you need to get your room temps up more for the plants to have access to it all.

Are they all from the same mom as clones or did you have multiple MOMS, or are they seeds?

Are they all showing signs of a light green or only the ones with the spots?
 

redonk

New member
Fresh water on sunday. nutes the rest of the week every 2-3day sometimes twice a week sometimes once . I will raise the temp a couple of degrees. what do you think the canopy temp should be 82-85. as far as the moms go I dont know they are from the oaksterdam nursery. my guess is a couple of different moms. The ones that have the spots are the light green ones. some of them have a healthier green to them with more resin production.
 

Snype

Active member
Veteran
Fresh water on sunday. nutes the rest of the week every 2-3day sometimes twice a week sometimes once . I will raise the temp a couple of degrees. what do you think the canopy temp should be 82-85. as far as the moms go I dont know they are from the oaksterdam nursery. my guess is a couple of different moms. The ones that have the spots are the light green ones. some of them have a healthier green to them with more resin production.
1. So you are giving them nuted water every 2-3 days? So am I correct that you give them nuted water 2 times a week and then water once a week?

2. How tall are your plants?
 

Snype

Active member
Veteran
This seems a little odd to me because you LST'd them it's hard for me understand why they need so little water when they are in 1 Gal containers. Are you sure your humidity is only 50%? How tall are your plants?
 

Snype

Active member
Veteran
Because your plants are from different moms, they are most likely going to take a different amount of nutes because plants all eat a little differently. I have some plants that need to be well over 800PPM and some that will not do good at all over 800PPM. So I'm assuming the only problems that you have is on a few plants. Do the plants that are having the problems look like they might be from the same mom?
 

redonk

New member
Im sratching my head as well. I have multiple hydrometers recording high and lows and it stays 50-55. They should be drinking alot more. the smallest is about 15" the largest is closer to 24". the canopy is very even because of the training. I just backed off the ac to raise the temp. hopefully they will start drinking some more.
 

Snype

Active member
Veteran
I just want to get all the info before I give you my opinion. So can you please go through my posts.
 

redonk

New member
All the plants look very similar. I know few other folks that have grown this strain from this nursery and it has come come out just fine. there is a thread on here about this strain. Maybe I got a few duds.
 

Snype

Active member
Veteran
So let me see if I have this correct. All your plants are perfect except 4-5? Do the affected plants have yellow leaves that are falling off?
 

redonk

New member
plant height approx 24"
watered with nutes 1-2 times a week ppm 800, fresh flush on sunday
temps 78-80
RH 50-55
I just counted 7 out of 35 plants are light green with some spots and yellowing on the lower leaves which fall off, the rest are a healthy green with no yellowing, those ones seem to be drinking more.
 

Snype

Active member
Veteran
Alright give me some time to write you my opinion. Maybe 15-20 min. One last question though, the plants that have the brown spotting, is the spotting on the whole plant, top or bottom?
 

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