Zurple's DWC Bag Seed Grow Journal, 2019

zurple said:
Depends on who you ask. I was told last week to keep the same strength. My ppm goes down daily
Click to expand...
It’s true there’s a contradiction for just about everything but what makes sense to me is steady to a very slight drop of concentration with a corresponding drop in water level. That would indicate the plant is using what’s available without a shortage or surplus of nutrition. If that is the case, I would have to assume there’s too much or too little of a certain element. The overall yellowing could indicate nitrogen deficiency as you suggested. But with bottled Nutes, you can’t add just nitrogen. If you ppm is dropping quite a bit each day, I’d slightly increase each feed until it stops dropping
 
JollyRodger said:
It’s true there’s a contradiction for just about everything but what makes sense to me is steady to a very slight drop of concentration with a corresponding drop in water level. That would indicate the plant is using what’s available without a shortage or surplus of nutrition. If that is the case, I would have to assume there’s too much or too little of a certain element. The overall yellowing could indicate nitrogen deficiency as you suggested. But with bottled Nutes, you can’t add just nitrogen. If you ppm is dropping quite a bit each day, I’d slightly increase each feed until it stops dropping
Click to expand...

That's what I am thinking. I asked on reddit and had several different suggestions over what it is. I am going to test everything again after my coffee kicks in. Everything looked fine until I upped my nutes this past Sunday, but the water and ppm went down and the ph remained the same, which should mean I didn't add too much nutrients.

One person on reddit says it looks like water mixed with nutrients that splashed on the leaves and it's just now showing where it burned the leaves. Hopefully, it's fine and I am over reacting.
 
For example, here is my readings yesterday am vs pm:

5:30am
Plant 1 410ppm 5.9ph
Plant2 410ppm 5.8ph (this is the plant pictured with the issue)
Plant 3 390ppm 5.9ph

6:30pm
Plant 1 370ppm 5.9ph
Plant2 380ppm 5.8ph (this is the plant pictured with the issue)
Plant 3 370ppm 5.9ph

It dropped 30ppm within 13 hours, so it's using up the nutrients.
 
Updates this morning with root pictures included.

1876391

1876392

1876393

1876394

1876395

1876396

1876397
 
Plant 1looks like a champ. Plant 2 roots look kinda weak at this point. Plant 3 looks better than 2 but still seems a little on the light green side. You're on the high side of the scale in ppm for early Veg so you could cut back a little and see if it helps. This is the scale I use and it has not done me wrong yet. I would probably do a check on my PH pen also.
 

Attachments

  • C7548FCB-90BE-4571-992A-E45B2F41F4BF.jpeg
    C7548FCB-90BE-4571-992A-E45B2F41F4BF.jpeg
    535.3 KB · Views: 81
Hydroholic said:
Plant 1looks like a champ. Plant 2 roots look kinda weak at this point. Plant 3 looks better than 2 but still seems a little on the light green side. You're on the high side of the scale in ppm for early Veg so you could cut back a little and see if it helps. This is the scale I use and it has not done me wrong yet. I would probably do a check on my PH pen also.
Click to expand...
Plants 1 and 2 are 21 days old. Plant 3 is 14 days.
 
I have the Bluelab Guardian and it uses the ppm 700 scale.

Fox Farms nutrients are based on the 700 scale using dechlorinated tap water, which is what I use.
 
So your EC is 0.5-0.6. That’s a good upper end range for seedlings. I’m still saying push it up a little. From your pics, it looks like a nitrogen and calcium deficiency.
 
JollyRodger said:
So your EC is 0.5-0.6. That’s a good upper end range for seedlings. I’m still saying push it up a little. From your pics, it looks like a nitrogen and calcium deficiency.
Click to expand...
I'm going to raise it this Sunday during the next water change. I'm going to grab some different calmag because the Gringo Rasta calmag is only used during flowering.
Thanks for the help.
 
Last night I gave each bucket some Grow Big and this morning they look great, and for the first time, when I opened the tent I could smell them for the first time. I am going to raise my nutrients this weekend for sure.
 
zurple said:
Since these have fat leaves, is it safe to assume that they're indica?
Click to expand...
Sort of, my Durban Poison are a 60/40 sativa/indica and show more indica early but they say it'll show its sativa side by flowering.
 
Hydroholic said:
I'm curious to the leaves you topped and how they looked.
Click to expand...
The plant that I did the FIM on is looking great. I am going to try to get a good picture of it, but it appears I will get 4 to 6 branches from doing it. The other 2 I topped and they each have 2 branches coming off of them.
 
Back
Top Bottom