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Need help with high ec

  • Thread starter Thread starter Lewish02
  • Start date Start date Apr 9, 2021
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Need help with high ec

Lewish02 Apr 9, 2021 117 Replies 12,120 Views
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Aqua Man

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#101
Lewish02 said:
Will this do, can get it Tomorrow
Click to expand...
Yup that's perfect
 
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Lewish02

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#102
Aqua Man said:
Can use it in a pinch but I would definitely order something else.

Don't use more than a tsp per 5 gal.
Click to expand...
Its usually just a tiny amount i use, I mostly get my ph down to 5.6-5.7 then add a small amount. I've no had time to read that ph article ill do it just now.
 
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Lewish02

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#103
Aqua Man said:
Yeah but you likely have low buffering capacity and that will create an unstable ph and large ph swings.

Cannabis can tolerate a fair bit but does better in a more stable environment.
Click to expand...

Should I buy a coco buffering agent and also my intake ph is about 6 and runoff which I just tested again is 6.7
 
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Aqua Man

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#104
Lewish02 said:
Should I buy a coco buffering agent and also my intake ph is about 6 and runoff which I just tested again is 6.7
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No just do it with your feed... you can add buffering to the media but then your stuck with what you add if you make a mistake.
 
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Lewish02

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#105
Aqua Man said:
Yup that's perfect
Click to expand...

Hi mate, I've been watering them once per day with 20% runoff. My inlet ec is 2.1, ppm is about 1100. The ec in runoff is 3.1. I've tried lowering the feed which brings it down but I'm starting to see deficiencies. The ph is 6-6.2 and runoff ph is 6.4-6.5. You any idea whats causing it all plants look healthy except 1 which I think the leaves are canoeing down. Cheers.
 
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Shayne010944

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#106
Lewish02 said:
Hi mate, I've been watering them once per day with 20% runoff. My inlet ec is 2.1, ppm is about 1100. The ec in runoff is 3.1. I've tried lowering the feed which brings it down but I'm starting to see deficiencies. The ph is 6-6.2 and runoff ph is 6.4-6.5. You any idea whats causing it all plants look healthy except 1 which I think the leaves are canoeing down. Cheers.
Click to expand...
I’ve got canoeing upwards , I’ve lowered my intake to 1.4 ec and run off is 1.8ec that’s for week 6 flowering. I’m still seeing very dark green leaves on some areas .
 
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Lewish02

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#107
Shayne010944 said:
I’ve got canoeing upwards , I’ve lowered my intake to 1.4 ec and run off is 1.8ec that’s for week 6 flowering. I’m still seeing very dark green leaves on some areas .
Click to expand...

Ive no got a clue its my first grow. I'm in week 4 of flower, do I not need to flush them. Cheers
 
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Shayne010944

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#108
Lewish02 said:
Ive no got a clue its my first grow. I'm in week 4 of flower, do I not need to flush them. Cheers
Click to expand...
I flushed with straight ph water then the next day went to half strength nutes . Been a few days since I did this . My ppm / ec is good now but some leaves dark green still
 
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Lewish02

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#109
Shayne010944 said:
I flushed with straight ph water then the next day went to half strength nutes . Been a few days since I did this . My ppm / ec is good now but some leaves dark green still
Click to expand...

Ok mate cool, is it flush 3x size of pot. Hope you get them sorted.
 
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Shayne010944

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#110
Lewish02 said:
Ok mate cool, is it flush 3x size of pot. Hope you get them sorted.
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Hope so mate . I just ran 8litres though . Not even sure the size of my pots
 
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Lewish02

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#111
Shayne010944 said:
Hope so mate . I just ran 8litres though . Not even sure the size of my pots
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I've just finished flushing 35 Ltr each with just under 0.8 ec strength nutes as its coco. Ec is still 1.8 in runoff but better than way up at 3.2. I've nuked them lol
 
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Aqua Man

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#112
Have pics?

I water my coco often to prevent this and feeding over 800ppm if synthetic nutrients are used is likely to add issues.
 
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Lewish02

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#113
Aqua Man said:
Have pics?

I water my coco often to prevent this and feeding over 800ppm if synthetic nutrients are used is likely to add issues.
Click to expand...
Yeah I'm watering them using that method u said to do. 5% of pot volume 20%runoff. Think my ppm was around 950-100
 

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Aqua Man

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#114
Lewish02 said:
Yeah I'm watering them using that method u said to do. 5% of pot volume 20%runoff. Think my ppm was around 950-100
Click to expand...
Only once a day is needed at that size?

What size pots again?

You can definitely reduce the nutrients to 600-800ppm
 
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Lewish02

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#115
Aqua Man said:
Only once a day is needed at that size?

What size pots again?

You can definitely reduce the nutrients to 600-800ppm
Click to expand...
40ltr pots
 
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Lewish02

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#116
Aqua Man said:
Only once a day is needed at that size?

What size pots again?

You can definitely reduce the nutrients to 600-800ppm
Click to expand...
I'll reduce the ppm tomoz, giving them big bud at 2mll/ltr will I reduce that too or just calmag and flora series nutes
 
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Aqua Man

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#117
Lewish02 said:
I'll reduce the ppm tomoz, giving them big bud at 2mll/ltr will I reduce that too or just calmag and flora series nutes
Click to expand...
Use the ratios as described by the company then dilute it down to your desired ppm
 
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Lewish02

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#118
Aqua Man said:
Use the ratios as described by the company then dilute it down to your desired ppm
Click to expand...

I didn't give that a thought. I just gave them less. Nice one thanks
 
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Replies 117
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Started Apr 9, 2021
Latest post May 4, 2021
Starter Lewish02
Forum Basic Growing Information

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