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Problem Back with Added Yellowing on Another Lady. Please Someone Know? This is!

budtoker0987

budtoker0987

Active Member
T

tommyo3000

Well-Known Member
Hey there,
a bunch of questions for you:

What is in that soil(less) mix you got there?

Which nutes do you use? How often do you feed/water? Which additives do you use? Don't leave anything out..

How much light? Air cooled?

How high is light from plant tops?

Air conditioning? CO2?

Temps, humidity, your date of birth.. JK lol..

Looks like you lower fan leaves are yellowing.. I see some purple coloration on your stems. Do you agree? What color are the petioles (the leaf stems)?

What is the type of water you use?

Do you check/adjust pH of your water and nutrients?


answer these and your answer shall be revealed.

tommy
 
budtoker0987

budtoker0987

Active Member
tommyo3000 said:
Hey there,
a bunch of questions for you:

What is in that soil(less) mix you got there?

Which nutes do you use? How often do you feed/water? Which additives do you use? Don't leave anything out..

How much light? Air cooled?

How high is light from plant tops?

Air conditioning? CO2?

Temps, humidity, your date of birth.. JK lol..

Looks like you lower fan leaves are yellowing.. I see some purple coloration on your stems. Do you agree? What color are the petioles (the leaf stems)?

What is the type of water you use?

Do you check/adjust pH of your water and nutrients?


answer these and your answer shall be revealed.

tommy
Click to expand...
FFOF

Flora Nova, feed every other water ( Flora nova, grow, bloom. Floralicious. Liquid KoolBloom. Cal-Mag plus. Sweet.)

1000w dual arc, about 18inches from canopy (except the tall NYC PD is like 12inches away) Air cooled

Dehumidifier, and using a CO2 Boost Bucket

temp 78-82F (with dehumidifier turned on) RH 40-44% (also with dehumidifier on) Without it on it would be at around 75F and 65-70% RH

And yes those bottom fan leaves are yellowing and the stems are also puple. All other leaf stems are green

RO water, added cal-mag

And yes I do PH all liquids to 6.7

NOTE: the spots on the leaves is now about a 3.5 month issue that I have not (or anyone) been able to figure out :( :( The yellowing on the leaves is happening to the OG Kush (which have had zero problems until now) The ones with the spots are mostly the WOnder WOmans
 
maps84

maps84

Well-Known Member
The yellowing is because of N but it's most likely due to PH being off as your cal-mag def could've lowered it under 6- Can you flush with plain RO and give us a reading of your run off?

I'm assuming your RO comes out at 7 right?
 
T

tommyo3000

Well-Known Member
Aha! 6.7 is high. At 6.7 you are causing a reaction that locks up some nutrients in your reservoir as you mix it.

OK we are almost there... answer these:

What type of pH meter?

What is the pH if you mixed your nutes and just let that sit without adjusting?

Are you raising the pH to 6.7 or lowering it?

The pH is too high. Let's get this worked out. answer those Qs and we will have a prescription for you.

tommy
 
budtoker0987

budtoker0987

Active Member
I used to do 6.5 on the nuts. Now I've been doing 6.7 on the nuts for the last couple weeks. Have had the problem both ways.

Its a digital ph meter. cant remember the brand off hand but it's nice. 85 bucks

If i mix my nutes and dont ph it would be at round 5.7 5.8

BUT I dont have a reservoir, i mix all my liquids in one gallon jugs.

NOTE I ph everything AFTER I add anything so it goes into the plants at 6.7
 
maps84

maps84

Well-Known Member
6.7 is good although I pH accordingly to run off. I take 2 measures a week and pH as needed from 6.0 to 7.0. You can't always go for rule of thumps as every strain is different and is gonna demand more or less of this or that. Try to get that run off reading and get back to us so we know the actual PH of the Root Zone
 
T

tommyo3000

Well-Known Member
Ok almost there... What do you use for pH up? Liquid, powder, natural? and how do you put it into your mix? do you just squirt it into a gallon of nutes?

your reservoir is your gallon jug.. a small rez.

pH meters are nuts.. my probe alone is 185$ and the meter is $400. That is the real deal.. one day i will elaborate.. Just calibrate yours often.
 
budtoker0987

budtoker0987

Active Member
masp84 said:
6.7 is good although I pH accordingly to run off. I take 2 measures a week and pH as needed from 6.0 to 7.0. You can't always go for rule of thumps as every strain is different and is gonna demand more or less of this or that. Try to get that run off reading and get back to us so we know the actual PH of the Root Zone
Click to expand...
Next water i will definitely check that and post it
 
budtoker0987

budtoker0987

Active Member
tommyo3000 said:
Ok almost there... What do you use for pH up? Liquid, powder, natural? and how do you put it into your mix? do you just squirt it into a gallon of nutes?

your reservoir is your gallon jug.. a small rez.

pH meters are nuts.. my probe alone is 185$ and the meter is $400. That is the real deal.. one day i will elaborate.. Just calibrate yours often.
Click to expand...
Yes PH up. and i mix up my nutes and additives and then squirt that in there.
 
budtoker0987

budtoker0987

Active Member
masp84 said:
btw the spots are most likely because of calcium def
Click to expand...
That has been my main thought this whole time too. Im starting to think thats not it anymore tho. Since I started seeing that is when I started using the cal mag. At the time my whole plant(s) got a lil light green and I used the cal mag and they got nice and lush green and I thought I got rid of the spots but it wasn't until I noticed a big leaf had something on it. I pulled it off and held it up to the light and BAM the damn spots never left... :(
 
T

tommyo3000

Well-Known Member
budtoker0987 said:
Yes PH up. and i mix up my nutes and additives and then squirt that in there.
Click to expand...
OK cool.. First of all, adding full power pH up will precipitate your nutrient and cause it to be messed up.. You have to add diluted pH up. If you have been indeed putting it in there full strength, this is a part of your problem.

Both your soil and your nutrients have buffering capacity. You have been putting in high pH nutes for a while now. I suspect your runoff will be high pH. Due to this and the complications of adding pH up, I suggest the following. Mix up your next batch of nutes and don't adjust that pH. If it is 5.7 or 5.8, just use it. It will bring down the pH of your medium more to the low 6's where the multitude of nutrients will all be available to your plants.

If this sounds super radical, you could adjust your nutes up to 6 to be conservative.. Just dissolve pH up in a greater volume of liquid.

edit: I take that back.. I would not adjust the pH. You have paid extra for mycorrhizal fungi, beneficial bacteria, trichoderma, lime, and other bits in FFOF that will be able to suck that 5.7 pH right up. That is the beauty of soil and soil life -- you don't have to be exact like hydro. I can grow full tilt organic or hydro and sterile. A lower pH is better than higher.

This would bring your pH down to where everything is available..

Also check the runoff any time you have any - whether it be plain water or nutes.. Knowing how runoff pH differs from input pH tells you what is up in your root zone.
 
maps84

maps84

Well-Known Member
Tommy thanks for the info, although you're still missing the point.

If you look at the picture that plant is clearly having a Magnesium deficiency: you can see the intervenial chlorosis, necrosis, and the lockout of plant nutrients. Also the problem starts at the bottom of the plant and it's working it's way up.

SOLUTION: (one of the three)
- Up Cal-Mag
- Treat with Epsom Salts (2tsp/Gal)
- Dump the RO filter, add Calmag if necessary.
 
budtoker0987

budtoker0987

Active Member
masp84 said:
Next water? you don't even know what's going on in there so what're you feeding then? ....
Click to expand...
I have checked about three seperate times in the past. The last time was a few weeks ago tho. and they were between 6.0 and 6.4. Thats when I was ph'ing my liquids to 6.5
I have to water and feed the og kush and NYC PD tomorrow. Ill check those runoffs, friday morning of the wonder womans. then I go up north til sunday afternoon.
 
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