New Grower The Vault’s Skywalker Auto Comparative Grow - in association with Mephisto Genetics

[Gatorbackbob]

Maybe it's just the usual calmag problem? I'm not too good with identifying things yet. I know what some are from experience but have yet to have a nice green plant all the way through. I'm still learning though and probably expect too much out of myself lol. But thanks Nabzter, I'll that a go when she's ready for a drink.
The yellowing is more towards the top of the colas on the outer parts of the leaves or blades.

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Here's my take on the orange rust spots that always seem to appear for me in flower, most led companies claim that extra calmag needs to be used, the calmag I have is the botanicare plus, it has a small amount of nitrogen in it, I've experimented with different amounts to compare results when these spots appear, and it never really worked for me, so I tried to diagnose calcium and magnesium separately, through my experiments, the one thing I've used that always stopped further rusting, was 1 teaspoon Epsom salt in a gallon, watered till runoff, and repeated this on the next watering. For some reason, just those two feedings reversed my problem on 2 grows, so my conclusion is that led draws more magnesium, and not as much calcium, but this is my case, yours may differ, the yellowing at the tops, If they turn crispy could be too close to light, or raise the fan farther above the canopy.

 

[Coffee&Kush]

Awesome, thanks for the insight and knowledge @Gatorbackbob! I've heard a lot of people mention using Epson salt but I never really heard how they were applying it and if I needed to. I guess it's a lot of trial and error to see what works when and when to do things. But thanks again man, I appreciate it. Oh and the light is at least 2'-3' above it right now.

 

[Gatorbackbob]

That should be plenty high enough for that light

 

[witchyhour]

Updates from today. Loving these this time...much better than last. Forgot to add...day 32.

Awesome! You have very tall girls, mine are the short and bushy type.

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[witchyhour]

Anyone have any suggestions?

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Could she be root bound?

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[witchyhour]

@Nabzter, this is really the first time I've had them out from the led's and had a look at them. There's more yellowing than I had thought. The second picture shows it more so. I'll probably try a flush soon. From what I hear, happyfrog is a little heavy on the nute side of things and then trying out new ferts etc. doesn't help lol. But it all boils down to operator error on my end...somewhere.

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I'd start by checking the roots, ph and ppm.

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[witchyhour]

The girls...

No. 1

Lush...

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[witchyhour]

No. 3

Bushy beast

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[Coffee&Kush]

I'd start by checking the roots, ph and ppm.

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I think don't think she's root bound yet. She just got her first water to run off last week. The ppm's in the nute solution wass between 700-800 and the ph is usually around 6-6.5.

 

[witchyhour]

I think don't think she's root bound yet. She just got her first water to run off last week. The ppm's in the nute solution wass between 700-800 and the ph is usually around 6-6.5.

Hmmmm...

@Vlad The Inhaler whatcha think?

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