Nute burn creeping in, need advice

So I thought I'd throw an update in here.

Decided to give em a flush to get rid of any buildup or imbalance in the soil. (I know, i hate it too. But it worked.). Bitch of a job with the scrog but an old water pump made it doable.

I dunno how this applies to soil/organics, but, the first round of run off after 10l each tested in range for PH and around 2500ppm, last round ppm was down to 1500.

Anyway, here they are now. Still not perfect but miles better IMO

It is hard to tell from the picture but are the leaves all pointing up at the lights?

ComfortCreator said:

It is hard to tell from the picture but are the leaves all pointing up at the lights?

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Yea they always seem to do that, no idea why

Ok. There is a difference between pointing up a little and too much. This is too much light intensity, causing more of the issue than anything else.

ComfortCreator said:

Ok. There is a difference between pointing up a little and too much. This is too much light intensity, causing more of the issue than anything else.

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They're under 2 x 240w qbs but they're dimmed to 50% at the moment

How close are the lights to the closest couple of tops?

ComfortCreator said:

How close are the lights to the closest couple of tops?

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Bout a foot and a half

I would move the lights up another 6", or if that is hard to do, reduce light intensity by about 10%. In a day or 2 you should see them settle down.

maranibbana said:

If you want a fully solvable product that has zero salts and is organinc look into organics alive, expensive but what I use to handle any issues, feeds the plant directly instead of the soil

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What do you know about organic ali e? I just bought some bloom OA. Results?

What size tent and lighting are you running?
Looks like 480w in a 1m tent?

Thai St1ck said:

What size tent and lighting are you running?
Looks like 480w in a 1m tent?

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Close, 80x80cm and 480w running at 70%

Damn, more than double what im running in a 90x90cm and mine "could" look like that at a greater light distance.

Are you experiencng the same problems on your current grow?

Thai St1ck said:

Damn, more than double what im running in a 90x90cm and mine "could" look like that at a greater light distance.

Are you experiencng the same problems on your current grow?

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This runs going grand, bar a grumpy plant

I really think you are running too many watts in that space.
Dont underestimate LED's....

Im using two small 35w lm301h boards for vegging before i flip to flower and even that can cause the plants to look like yours.
They then struggle with transpiration and nutrient uptake.
They also eat a lot more feed and cal/mag.
I would turn those boards down to 40% and i guarantee you will see a massive improvement.

Thai St1ck said:

I really think you are running too many watts in that space.
Dont underestimate LED's....

Im using two small 35w lm301h boards for vegging before i flip to flower and even that can cause the plants to look like yours.
They then struggle with transpiration and nutrient uptake.
They also eat a lot more feed and cal/mag.
I would turn those boards down to 40% and i guarantee you will see a massive improvement.

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Yea I still haven't found the sweet spot for what % to run em at, I've run em between 50-80% since I got em a year ago and that last run was the first to scream "help me!" photographer friend of mine said he'd lend me his light meter but he lives in Sweden and it's a bit of a trek lol here's the current run, started using an easy2grow watering system so they always have water (the one on the right is a mag hungry strain, alien rift by ocean grown seeds)