Indoor Can someone please explain afew things

[bdc151redrum]

In flower I always get rusty leaf spots and it's disappointing any ideas as to what's the cause I grow strictly autos and I use 50/50 ffof/perlite feed Humboldt nutes master a and b, ginormous, big up powder, catyx mag (Cal mag), I also use orca... benifical bacteria... Now can anyone give me some advice on ppm feeding what nutes they use and what my problem could be please and thank you I'm towards the end of flower it would seem that the more mature plants have the rusty leaf spots pretty large spots I'll take pictures when I get off work but I'd really like some professional advice I do great yeild wise but I know I could do alot better than my 3-6 ounces a plant I'm doing something wrong and I can't figure it out

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[KonopCh]

Maybe you up your Ca/Mg intake?

 

[bdc151redrum]

Been adding 5mls per gallon

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[bdc151redrum]

These are my girls

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[bdc151redrum]

I'm thinking a potassium/ Cal mag deficiency it could be lacking or pH could be higher than I'd like also could be my wife over watering well I think I'll just start flushing the ones that are in ruff shape and chop those down if anyone has any info I'd like to know for future reference

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[facebookmadnez]

I would use Advance Nutrients Revive as it will help with any and all defiencies. It does work

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[Micron Creek]

I'm thinking a potassium/ Cal mag deficiency it could be lacking or pH could be higher than I'd like also could be my wife over watering well I think I'll just start flushing the ones that are in ruff shape and chop those down if anyone has any info I'd like to know for future reference

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Well you have a checklist there of possible issues, I would eliminate these first. Have more variables under your direct control. Find out how much is being given during watering. Its difficult to know exactly. I do not touch any fox farm products, nor do I mix nutrient lines. OF nutrient levels are not immediately indicated nor is ph. It says no adjustment needed, that was never the case for me.
Rust spots are common with l.e.d. growers, so it seems as though l.e.d. induce different metabolic rates than h.i.d. Different uptake levels, possible imbalances more likely. Have you gone directly to someone like @Fairlynew for l.e.d. advice?

 

[bdc151redrum]

That's what I was thinking also my main conclusion comes down to call mag or over watering possible because I'm not always available to water when needed

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[BigD1128]

I was having the same exact issues and I did 2 things that corrected my problem.
1 I began using more CalMag. I would get my base water up to around 200ppm then added my Nutes
2. I was growing in coco and it was getting too dry between feedings. This caused my ph to be out of control. My runoff was almost a full 1.0 lower than feed.
Once I corrected these issues the rust spots stopped showing up.

 

[goodgrace87]

I'm thinking a potassium/ Cal mag deficiency it could be lacking or pH could be higher than I'd like also could be my wife over watering well I think I'll just start flushing the ones that are in ruff shape and chop those down if anyone has any info I'd like to know for future reference

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I have the same issue and I have to give it Cal Mag for almost 3 weeks to correct it however my leaves don't show any deficiencies now and there in flowering

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