Am I feeding them too much?

Porky101

Porky101

Well-Known Member
Hi all!

I have been feeding my plants an EC of 2.0 Week 3 flower. (started flower food end of week 2)

They are still showing progression of deficiency's. I have increased to 2.2EC and still deficiency's increase, no burn.

How much is too much food? I am going to go to 2.4 and 2.6.
 
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jondamon

jondamon

Well-Known Member
Porky101 said:
Hi all!

I have been feeding my plants an EC of 2.0 Week 3 flower. (started flower food end of week 2)

They are still showing progression of deficiency's. I have increased to 2.2EC and still deficiency's increase, no burn.

How much is too much food? I am going to go to 2.4 and 2.6.
Click to expand...

Without knowing more info it’s hard to tell.

But for instance.

My plants are 3ft tall. Only 2ft of canopy at the top though.

I grow in coco.

I use coco nutes with a few extras.

The highest I’ve used this grow is 1.4EC.

I’m currently at week 4 of flower and Running 1.0EC at pH5.8.

In coco running too high EC can cause uptake issues with salinity build up causing some ions to not be available to the plant due to the rhizosphere imbalance.

For example issues with Ca and K uptake can be linked to high salinity in the rootzone.


Give as much detailed info as you can on how you’re growing them, what nutes, what your environmental variables are Temp RH etc.
 

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hotrodharley

hotrodharley

Well-Known Member
Porky101 said:
Hi all!

I have been feeding my plants an EC of 2.0 Week 3 flower. (started flower food end of week 2)

They are still showing progression of deficiency's. I have increased to 2.2EC and still deficiency's increase, no burn.

How much is too much food? I am going to go to 2.4 and 2.6.
Click to expand...
I’ll venture a guess that you’re feeding too much. Pics needed.
 
Bernie420

Bernie420

Well-Known Member
Porky101 said:
Hi all!

I have been feeding my plants an EC of 2.0 Week 3 flower. (started flower food end of week 2)

They are still showing progression of deficiency's. I have increased to 2.2EC and still deficiency's increase, no burn.

How much is too much food? I am going to go to 2.4 and 2.6.
Click to expand...
If in dirt you might want to flush the fuck out of the pot and renute at an ec of 1.5 and add a microbe product.
 
Porky101

Porky101

Well-Known Member
jondamon said:
Without knowing more info it’s hard to tell.

But for instance.

My plants are 3ft tall. Only 2ft of canopy at the top though.

I grow in coco.

I use coco nutes with a few extras.

The highest I’ve used this grow is 1.4EC.

I’m currently at week 4 of flower and Running 1.0EC at pH5.8.

In coco running too high EC can cause uptake issues with salinity build up causing some ions to not be available to the plant due to the rhizosphere imbalance.

For example issues with Ca and K uptake can be linked to high salinity in the rootzone.


Give as much detailed info as you can on how you’re growing them, what nutes, what your environmental variables are Temp RH etc.
Click to expand...

I grow them in perlite.

The only deficiency is ca.

I am running them very hot. 35c. Co2 1000ppm with 900 umols light.

It seems no matter how much calmag if give them, I still hit CA deficiency.



I have lowered the feed to 2.2 EC.


20190727_121052.jpg 20190727_121056.jpg 20190727_125517.jpg 20190727_123852.jpg
 
Bernie420

Bernie420

Well-Known Member
Porky101 said:
I grow them in perlite.

The only deficiency is ca.

I am running them very hot. 35c. Co2 1000ppm with 900 umols light.

It seems no matter how much calmag if give them, I still hit CA deficiency.



I have lowered the feed to 2.2 EC.


View attachment 4370429 View attachment 4370430 View attachment 4370432 View attachment 4370434
Click to expand...
so this is a flood and drain table or pots or something??
What is 35c which is 95f

so were clear on what your doing is that your feeding it a full blown flower ppm to a sick plant?

Maybe try an amino acid product tpo help with the calcium uptake or get a nute or whatever that has amino acids in it in abundace. Fish comes to mind but you dont want to run a fish product in a hydro system so DONT do that.

from the pics I would say you have a cal, mag, p, and spider mites issues.
 
Porky101

Porky101

Well-Known Member
Bernie420 said:
so this is a flood and drain table or pots or something??
What is 35c which is 95f

so were clear on what your doing is that your feeding it a full blown flower ppm to a sick plant?

Maybe try an amino acid product tpo help with the calcium uptake or get a nute or whatever that has amino acids in it in abundace. Fish comes to mind but you dont want to run a fish product in a hydro system so DONT do that.

from the pics I would say you have a cal, mag, p, and spider mites issues.
Click to expand...

I agree with your views.


Should I flush with plain ph water?
 
jondamon

jondamon

Well-Known Member
Porky101 said:
I grow them in perlite.

The only deficiency is ca.

I am running them very hot. 35c. Co2 1000ppm with 900 umols light.

It seems no matter how much calmag if give them, I still hit CA deficiency.



I have lowered the feed to 2.2 EC.


View attachment 4370429 View attachment 4370430 View attachment 4370432 View attachment 4370434
Click to expand...

Here’s one reason why I don’t like dual Ca Mg products in one bottle.

Too much Ca can give the appearance of an Mg deficiency.

Too much Mg can give the appearance of a Ca deficiency.

Personally I like mono Ca and good old fashioned Epsom Salts for Mg.
 
Porky101

Porky101

Well-Known Member
jondamon said:
Here’s one reason why I don’t like dual Ca Mg products in one bottle.

Too much Ca can give the appearance of an Mg deficiency.

Too much Mg can give the appearance of a Ca deficiency.

Personally I like mono Ca and good old fashioned Epsom Salts for Mg.
Click to expand...

Well said.

I feel the same.

Calmag is calcium, MG, iron, nitrogen.

I only need CA.

I will source some CA EDTA.

I'll add that directly to my feed.
 
xtsho

xtsho

Well-Known Member
Porky101 said:
Hi all!

I have been feeding my plants an EC of 2.0 Week 3 flower. (started flower food end of week 2)

They are still showing progression of deficiency's. I have increased to 2.2EC and still deficiency's increase, no burn.

How much is too much food? I am going to go to 2.4 and 2.6.
Click to expand...

You are overfeeding.

"The overfeeding of any plant food can cause nutrient deficiencies."
 
Porky101

Porky101

Well-Known Member
35c room temp. Water temp under 20c.

Perlite. Some days flood and drain, some days drain to waste...depending on my mood:)

FYI, the photos I posted are the MAIN leaves on the stem. Other leaves are not affected. Only the big fan leaves seemed to be affected at the moment..
 
Bernie420

Bernie420

Well-Known Member
Porky101 said:
35c room temp. Water temp under 20c.

Perlite. Some days flood and drain, some days drain to waste...depending on my mood:)

FYI, the photos I posted are the MAIN leaves on the stem. Other leaves are not affected. Only the big fan leaves seemed to be affected at the moment..
Click to expand...
I would just pick off the shittiest leaves then. they are not doing much for you at this point, opens up air flow lets the light get on the good active leaves

Can you check the roots at all are they in a net pot inside a pot or is this a table and you cant see the roots at all.

You check for spider mites leaves look like spider mite damage to me.
 
Bernie420

Bernie420

Well-Known Member
i do ebb and flo,, hydroton

drain to wast you might miss roots that could/need to get wet

the high ec probably burnt up your roots, probably went into flower with a good looking but weak plant and then all these deficiencies started to show up.

kelp helps build roots use in veg, dont ever go into flower with a sick plant.
 
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