Please help :(

My autos were growing fine until I fed them veg nutes (flora trio) veg and micros nutes at 600ppm I only did this for two waterings and I noticed the leaves were starting to grow very thin (see photos 1 and 2) I flushed with RO water a few times I’m not sure if it worked as they started flowering by this time so I couldn’t check new leaves for normal growth,
I had a problem with spider mites which I took care of by showering the plants a few times they haven’t come back since, they caused some leaf damage (white spots).

Now I have a problem with the bottom leaves turning yellow then crispy brown I’m not sure whether I have a deficiency or not now and I don’t want to increase nutes in case it’s nute burn causing the problems so I’m stuck on what to do I have no idea what’s going on
Thanks in advance for any help

How much light out of curiosity? Have you checked runoff for ppms/ph? I don't think the tops look bad at all honestly, just looks like normal leaf growth, maybe some burnt tips a little bit. But the bottom, if I had to guess looks like nute lockout/burn to me... Could be wrong though... I think she's eating her leaves because she can't get the nutes in maybe... or combined with not enough light maybe since it's at the bottom.

hawse said:

How much light out of curiosity? Have you checked runoff for ppms/ph? I don't think the tops look bad at all honestly, just looks like normal leaf growth, maybe some burnt tips a little bit. But the bottom, if I had to guess looks like nute lockout/burn to me... Could be wrong though... I think she's eating her leaves because she can't get the nutes in maybe... or combined with not enough light maybe since it's at the bottom.

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I have 600w led cobs run at 50% and a hps ran at 250w, I think I will try feeding with very little flowering and micro nutes next watering.

Ok that should be plenty of light I would think, could turn up the LED's probably... I think you did the right thing by flushing... Hopefully you won't see it spreading or get worse.

hawse said:

Ok that should be plenty of light I would think, could turn up the LED's probably... I think you did the right thing by flushing... Hopefully you won't see it spreading or get worse.

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The lower leaves have gone like that since flushing, the first gallon of water came out at 600ppm maybe I have made a mistake by flushing?

Fluffyhead said:

The lower leaves have gone like that since flushing, the first gallon of water came out at 600ppm maybe I have made a mistake by flushing?

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I forgot that you mentioned the possibility of nute lock out with nute burn it probably because of that then,
Thanks for your help I will see how things go with a very light bloom feed.

Lol you flushed all the nutrients out of them and they are starving dude.

The tops getting thin like that looks to me like genetic expression as the plant was starting to begin the flowering process.

Thundercat said:

Lol you flushed all the nutrients out of them and they are starving dude.

The tops getting thin like that looks to me like genetic expression as the plant was starting to begin the flowering process.

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Agreed, just ignore that bad leaf and give normal nutes as needed I would say...

Thundercat said:

Lol you flushed all the nutrients out of them and they are starving dude.

The tops getting thin like that looks to me like genetic expression as the plant was starting to begin the flowering process.

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The poor things I thought I was helping, I have fed them now, thanks for your time.