Yellowing Leaves on Autos

[Smetties]

What Strain is it? DNA Genetics 60 Day Lemon Auto
Is it Indica, Sativa or Hybrid? What percentages? 80% Indica 20% Sativa
How Many Plants 1
Is it in Vegetative or Flowering Stage? Veg I believe its a auto
If in Vegetative Stage... How Long? about a month old maybe month and a week
If in Flowering Stage... How Long?
Indoor or Outdoor? indoor
Soil or Hydro? soil
If Hydro, Reservoir size?
If Hydro, Reservoir Temperature?
If Hydro, what type of Medium?
If Hydro, what type of Setup?
If Soil... What is in your Mix? pro mix ultimate organic
If Soil... What Size Pot? 3 gallon
Size (Wattage) of Light? How Many? 1 400watt MH/HPS 6 60 watt daylight cfl 7 100watt soft white cfl 2 150 watt spft white cfl
Is it Air Cooled? Yes
Temperature of Room/Cabinet? 73f
RH of Room/Cabinet? 59%
PH of Medium or Reservoir? 7.5-8.0
Any Pests? found a caterpillar it ate a bunch of leaves off but i killed it
How Often are you Watering? twice a week
Type and Strength of Fertilizers used GH Biothrive GH Floralicuous Plus And Gh Rapid start
Size or Square Footage of Room? 16ft x 8ft

What Strain is it? Heavy Weight Vast and Fast Auto
Is it Indica, Sativa or Hybrid? What percentages 80% Indica 20% Sativa
How Many Plants? 1
Is it in Vegetative or Flowering Stage? Veg
If in Vegetative Stage... How Long? about a month month and a week
If in Flowering Stage... How Long?
Indoor or Outdoor? indoor
Soil or Hydro? soil
If Hydro, Reservoir size?
If Hydro, Reservoir Temperature?
If Hydro, what type of Medium?
If Hydro, what type of Setup?
If Soil... What is in your Mix? pro mix ultimate organic
If Soil... What Size Pot? 3 gallon
Size (Wattage) of Light? How Many? same as above
Is it Air Cooled yes
Temperature of Room/Cabinet? same as above
RH of Room/Cabinet? same as above
PH of Medium or Reservoir? 7.5-8.0
Any Pests? none
How Often are you Watering? twice a week
Type and Strength of Fertilizers used? same as above
Size or Square Footage of Room? same as above

So my lower leaves are starting to get this yellowish nes to them maybe a N def. or maybe lockout from my ph being so high ? I ph my water and nutes to a 6.0 everytime. Any help would be great guys thanks.
Heavy weight

lemon

 

[lazarus]

Hard too see. Could be a bit of nute burn and one of the leaves looks like it just have been snapped at the end almost trough

 

[Dave Groomer]

You definitely need to start by getting your PH under control. I would flush with Water ph'ed down to 6.5 or so. You may nee too flush 2 or 3 times. Check the runoff of the water after your flush. For soil you really want it right around 6.5. Here is a couple charts. One for ph and when things get locked out and the other a deficiency chart.

 

[matticusss]

That is a great post!

 

[Smetties]

Ok I know the pics aren't the best I just lost my phone which had a bomb camera on it but the yellowing is almost like spots slowly fading in and yeah I know the one leaf is snapped on the end I really am thinking its has to do with my high ph... I have thought about using some espoma soil acidifier.. Or should I flush it ?? Cause I rreeeasalllllyyyy hate flushing

 

[lazarus]

I just flush in the shower, makes it much easier, but if your water is not usable you still need ph'ed water instead of the shower head (test shower water for ph/hardness/added chemcicals like chlorine first) .
Not as precise as you don't know excactly how much water you're flushing with (unless you still use some kind of container to water with) but still does a decent job imho and is very easy.

Other option is to use ph up/down....

 

[Smetties]

I have ph up and down its not working been using it.
Side question I have a soil ph meter/moisture meter that I put in the soil to test.
Is it better to test that way or the water runoff then test the runoff with my ph meter?

 

[VladimirPutin]

Flushing sucks, that is why there is hydro. but I digress, the standard method of flushing I know is use 3 x your pot's volume of water, ph'd to 6.5.

Tips, make sure your container drains well, you don't want to drown the roots.

Vlad

 

[Smetties]

Ok so I feel like it's getting worse and now I am starting to get some brown spotting.
The yellowing seems like it's getting worse too a little.
Also I took these pics with my girls new phone hopefully the quality is a little better.
As always I thank all you guys for your help and advice.

 

[iwltfum]

Ok so I feel like it's getting worse and now I am starting to get some brown spotting.
The yellowing seems like it's getting worse too a little.
Also I took these pics with my girls new phone hopefully the quality is a little better.
As always I thank all you guys for your help and advice.

When in doubt, flush it out!

I think it's locked out, in which case, the only remedy would be to perform a flush. You want to perform the flush before all the nutrients are used up in the leaves or it will take even longer to come back and, with you plant already starting to bloom, I don't think you can really afford to procrastinate flushing it

 

[Smetties]

Yeah I know I just rrreeallllyyy hate flushing... thanks for your help iwltfum

 

[jojo677]

I'd have to agree, it is probably a pH issue. It sucks, but you'll have to flush! Believe me, I HATE flushing too, but sometimes it's what you have to do.

 

[Dave Groomer]

Just put her in the bath tub and slow pour water though her. After 2 or 3 complete flushes check the runoff again. If still high, flush again!

 

[Smetties]

ok got that and i just checked my tap it ph's at 9.0 so it looks like i need to run out of get a couple 5 gallon water jugs. You guys think 10 gallons would be enough for two 3 gallon pots ? My other question is should I give them a light feeding at the end of the flush since i will be running everything out the soil ? or just let it go ?

 

[Dave Groomer]

I think you may need more like 15g of water. You can drop the PH of your tap water by adding vinegar. Just add 1/2t at a time till you get it down to 6.5. I would not feed again right away. Let them dry out for 3 or 4 days then give 1/4 dose of nutes.

 

[jojo677]

As supergroomer said, you can just use vinegar to lower your tap water pH. That's what I did for awhile, until I bought a bottle of pH down. As for buying jugs of water, if they are spring or purified, the pH could be off anyway, which would defeat the point. If that's the case, I'd be sure to get DO/RI/Distilled water.

 

[Smetties]

i just want to say thank you to supergroomer, jojo and the other guys that helped me with this problem.

I really do appreciate it.

I got ph down and up and am using it right now to ph all my jugs of water.

I use spring water personally I been using it for a few months now I ph'd at 7.0 straight out the bottle.

So I dont have to use much ph down to get it to 6.5.

Also god I hate flushing I am in the middle of doing it now.

I really hope it works god my vast and fast is looking bad.

 

[jojo677]

We're here to help Smetties! Glad you (hopefully) got things straightened out. Just remember that when you start feeding nutes again, to add them to the water before you pH it, as they'll generally change it.

 

[Dave Groomer]

We're here to help Smetties! Glad you (hopefully) got things straightened out. Just remember that when you start feeding nutes again, to add them to the water before you pH it, as they'll generally change it.

What JoJo said

 

[Dave Groomer]

How was the runoff ph after you finished flushing?