Week 5-6 of 12/12 yellow dying leaves

Jbooty24

New Member
Hey guys, this is the third problem post in the past month, I don't know how to fix it!? first time grow, It started off as over nutrient feeding, then I over corrected and underfed. Now I'm somewhere in the middle I guess and I don't really know what to do. I'm growing 3 bag seed plants out of a grow tent in a closet. They are all in 2.5 gal pots of soil. I did a slight flush yesterday, I used 1 gal of water with half nutes for each plant. Plants are still yellowing and dying! It starts with fan leaves on the bottom of the plant and it just spreads up! Anyone, please tell me step by step how to fix this. I've put about a month of stress on these plants and I don't wanna have to waste a harvest for some petty problem I cannot seem to figure out. Help is appreciated
 

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newGrows

Active Member
how long have those brown spots / crinkling, drying leaves been going on?

Also if you're plants don't have enough nutes why are you flushing again?
 

nonamedman420

Well-Known Member
why would you flush with nutes in the water? if the goal of flushing is to leech high amounts of salt fertilizers out, why would u use anything but water? it's like trying to clean something dirty, with dirty water. i would flush, if that's what you wanted to do, until runoff is low ppm/clear... then wait a few days to see if it helps. if you're in need of a feed while your pot is drying, foliar feed the plant with a mild strength (1/8th strength) nutes with a drop or two of regular, non concentrated/scented/antibacterial dish soap (regular green palmolive works great)
, to act as a wetting agent stopping the water from beading up. 2 hrs later spray same plant with regular water to unclog any stomata that might have been clogged. foliar feeding plants is a great way to quickly correct any deficiencies while you fix whatever problems in the root zone that caused the deficiencies in the first place. do not use high ec/tds/ppm foliar sprays as they are salts and will dry out your plant in high concentrations
 

Jbooty24

New Member
how long have those brown spots / crinkling, drying leaves been going on?

Also if you're plants don't have enough nutes why are you flushing again?
For the past 2 weeks, at first I overfed, then I over corrected and under fed which made them Turn yellow after they crinkled. Now I'm at the point where I don't know to add more nutes or just water, I flushed with half nutes because (I read that you flush with some nutes) and I flushed because I was just caught up in confusion, I thought that flushing couldn't hurt
 

Jbooty24

New Member
why would you flush with nutes in the water? if the goal of flushing is to leech high amounts of salt fertilizers out, why would u use anything but water? it's like trying to clean something dirty, with dirty water. i would flush, if that's what you wanted to do, until runoff is low ppm/clear... then wait a few days to see if it helps. if you're in need of a feed while your pot is drying, foliar feed the plant with a mild strength (1/8th strength) nutes with a drop or two of regular, non concentrated/scented/antibacterial dish soap (regular green palmolive works great)
, to act as a wetting agent stopping the water from beading up. 2 hrs later spray same plant with regular water to unclog any stomata that might have been clogged. foliar feeding plants is a great way to quickly correct any deficiencies while you fix whatever problems in the root zone that caused the deficiencies in the first place. do not use high ec/tds/ppm foliar sprays as they are salts and will dry out your plant in high concentrations
Just trying to see what I need, flush or no flush? Add nutes or lay off? I'm just stuck, I don't want to over correct the problem again, but I don't quite know what the problem is exactly!
 

newGrows

Active Member
foliar feeding plants is a great way to quickly correct any deficiencies while you fix whatever problems in the root zone that caused the deficiencies in the first place. do not use high ec/tds/ppm foliar sprays as they are salts and will dry out your plant in high concentrations
Thank You.
 

greasemonkeymann

Well-Known Member
For the past 2 weeks, at first I overfed, then I over corrected and under fed which made them Turn yellow after they crinkled. Now I'm at the point where I don't know to add more nutes or just water, I flushed with half nutes because (I read that you flush with some nutes) and I flushed because I was just caught up in confusion, I thought that flushing couldn't hurt
you poor guy, I feel for ya man.
Looks like too much nutes, I've seen plants do that from too much molasses
 

nonamedman420

Well-Known Member
flush, and use a light foliar feed of a well balanced fertilizer with micros, and your plant should show forgiveness. also, ive seen underfertilized plants look as bad or worse than overfed plants. some deficiencies cause crispy leaves too, magnesium i think specifically.also, lockouts look worse, and many deficiencies aren't deficiencies really, but rather an overabundance of one element causing a lockout of others... which is why many times feeding a plant that looks deficient only makes the problem worse. that's why you flush well, then feed a mild balanced nutrient fertilizer to hopefully bring all the elements into check with no lockouts. foliar feeding during this time would be the BEST way to handle the problems until you get your root zone in check.
 

Jbooty24

New Member
why would you flush with nutes in the water? if the goal of flushing is to leech high amounts of salt fertilizers out, why would u use anything but water? it's like trying to clean something dirty, with dirty water. i would flush, if that's what you wanted to do, until runoff is low ppm/clear... then wait a few days to see if it helps. if you're in need of a feed while your pot is drying, foliar feed the plant with a mild strength (1/8th strength) nutes with a drop or two of regular, non concentrated/scented/antibacterial dish soap (regular green palmolive works great)
, to act as a wetting agent stopping the water from beading up. 2 hrs later spray same plant with regular water to unclog any stomata that might have been clogged. foliar feeding plants is a great way to quickly correct any deficiencies while you fix whatever problems in the root zone that caused the deficiencies in the first place. do not use high ec/tds/ppm foliar sprays as they are salts and will dry out your plant in high concentrations
So
flush, and use a light foliar feed of a well balanced fertilizer with micros, and your plant should show forgiveness. also, ive seen underfertilized plants look as bad or worse than overfed plants. some deficiencies cause crispy leaves too, magnesium i think specifically.also, lockouts look worse, and many deficiencies aren't deficiencies really, but rather an overabundance of one element causing a lockout of others... which is why many times feeding a plant that looks deficient only makes the problem worse. that's why you flush well, then feed a mild balanced nutrient fertilizer to hopefully bring all the elements into check with no lockouts. foliar feeding during this time would be the BEST way to handle the problems until you get your root zone in check.
I flushed with plain water yesterday, now things are still getting worse. This has all spawned in the past 2 days, what are these brown spots and how do I get rid of it?
 

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churchhaze

Well-Known Member
It looks hungry in general. Flushing makes me think that even more. From your first picture, it looks like you've been underfeeding. She looked like she needed more N and K the most.

Are you growing in soil or a peat based potting mix? What nutrients were you feeding with?
 

Jbooty24

New Member
It looks hungry in general. Flushing makes me think that even more. From your first picture, it looks like you've been underfeeding. She looked like she needed more N and K the most.

Are you growing in soil or a peat based potting mix? What nutrients were you feeding with?
Organic miracle grow soil, I've been foliar feeding but it's still progressively getting worse. Other two plants are doing great, but this plant is dying, fast. Leaves are all browning and falling off. Most def a Phospuros def. how can I get nutes to her quickly without water or foliar feeding again?
 

BenRipped

Well-Known Member
you don't need to flush, you need to add full strength nutes at this point. In week 4 of bloom the plants is using more energy that it ever has in the last 6 weeks combined. Very light nutes till week 3 or 4 of flower then pour it on strong till week 7 then back it down to very low nutes to finish it off.
 
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