#@&$!!! N? or K? or?

What is the deal with these 2 plants? they are 25 days into flower, and on one the lower leaves are starting to yellow...which might be a N def, but unsure since it has those black spots on them. On the other, the whole plant is a lighter green with purple stems, and also has some dying leaves- but looks like something completely different. First 2 pix are one, second 2 the other one.

White satin, Kalichakra
****
1k MH veg/1k HPS flower
Foxfarm ocean forrest soil with FF tri pack (about 1 tsp per 3 gal) once a week
Molasses, once every 2 weeks
Run off 6.7-6.9
Water with 6.5-6.6 every 3 days aprox
Humidity at 30/45-day/night
Day temps range 73-77F,
Night can get a tad nipply around 61-65F.

check your soil ph

not rootbound is it? Or overwatering?

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Originally Posted by Weedhound

check your soil ph

not rootbound is it? Or overwatering?

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run off is around 6.7, and not rootbound or overwatered... usually all water in there is almost gone by the second day, but allow an extra one.

Looks rootbound to me. That pot is not big enough to support a plant that large. Just like the 'yellowing and red' plant on the other thread. IDENTICAL problem.

I have about 25 things to rep Stinky for so far......and it WONT LET ME!! :(

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Originally Posted by stinkyattic

Looks rootbound to me. That pot is not big enough to support a plant that large. Just like the 'yellowing and red' plant on the other thread. IDENTICAL problem.

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Stinky...hmm.. well it's a 2.5 gallon pot, the 1st one is 16'' tall, and the second is 27''. Both pots are full to the rim with soil, and planted as high as i could in there so they would have enough room to go down. Is this the only thing?

The big issue with plants that are too big for la casa is soil chemistry becomes hard to control. Any issues you may have, however small, are magnified. Your night temps are low, for example, and if the soil is quite wet, you will see lockout symptoms quickly.
I don't see how much drainage you have in there but one way or the other, you are going to want to get it into a larger pot of fresh soil.
And a last question, how long has the plant been in that pot? Nearly all commercial potting soils are pet-based, and after the soil has been used/watered for 6-8 weeks, they often start acting funky- pH becomes harder to control, and the structure/water retention properties of the soil itself change.

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Originally Posted by stinkyattic

The big issue with plants that are too big for la casa is soil chemistry becomes hard to control. Any issues you may have, however small, are magnified. Your night temps are low, for example, and if the soil is quite wet, you will see lockout symptoms quickly.
I don't see how much drainage you have in there but one way or the other, you are going to want to get it into a larger pot of fresh soil.
And a last question, how long has the plant been in that pot? Nearly all commercial potting soils are pet-based, and after the soil has been used/watered for 6-8 weeks, they often start acting funky- pH becomes harder to control, and the structure/water retention properties of the soil itself change.

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yeah night temps are a B to control in the midwest. Drainage is good, there's got to be at least 50- 1/4'' drilled holes underneith.
The soil is wet more the day they are watered, so I'm sure that night they arent too happy, but at least it's with warm (not hot) water.
It has been in that pot since jan 12th so a little while. I did mix in a decent amount of perlite in there as well, i'll always test any runoff after watering and it's always within range. Weird thing is these are the only one's with issues, and the ones that are on the smaller side too.

I think i'll try your soil mixture suggestion in the future..

You need 2 add P ank K...its almost like your flushing

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Originally Posted by JIame420

You need 2 add P ank K...its almost like your flushing

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Please explain this piece of 'advice' more clearly.

looks rootbound to me.