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arnendo
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Terpinolene
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Hi there. My plants getting yellow from the bottom leaves, you can see leaf ridges... I tried to balance ph but it didn't help. I tried to increase mag/cal but it's getting worse. Tempreture is around 77F, humidity around 45-55%. Plants is 4 weeks old. i keeping around 500-600 ppm. using flora nova grow. Please help me to heal this 

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Macky
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Welcome to Percy Arnedo, what medium is that mate? Soil? Coco? And what Ph have you been aiming for and how are you testing it? 

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arnendo
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@macky

Coco, ph is 5.8/6.0. and led light 600w

ph test kit2018 0
572bb42f 55b5 46ca b028 1cdc8b780914

 

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Macky
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Cool man, thanks for the info. Are you watering every day and getting atleast 10% run off? 

And what brand of coco is it?

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arnendo
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@macky

yes i watering every day and have 40% run off. Coco brand is Coco Star

80970 Growin Coco Star 70 L 1

 

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Macky
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Ahh, ok, these types of coco, can be salty, and not treated correctly. They need to be soaked in a high cal/mag solution before use so the coco absorbed the calcium before planting into it. Other wise it takes the calcium from your food and the plant doesn't get it. 

Did you buffer the coco before hand?

I would give it a good flush to remove and build up salts. Then re feed. 

What are you feeding right now? how many ml pl, of what foods?? 

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arnendo
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@macky

sound bad 🙁 i did buffer it before grow, probably i put not enough nutrients. Using flora nova 4ml per gallon and 5ml cal/mag. 

Advanced Nutrients SENSI CAL MAG Xtra 4 0 0 1L 600x600
download

 

 

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Macky
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ppm to EC conversion chart
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Macky
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(@macky)
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PPM /EC seems ok too. 

I haven't used these nutrients before and not sure about the feed. Aim for 2ml per litre for the Nova, and 1ml PL for the cal mag. 

Give the plants a good flush, and re feed them with this mix. Do that for a few days, then monitor the ppm of the water you give your plant, and compare it to the ppm of the run off. 

Lets see how she looks in a couple of days. No panic though mate, still in veg, so we can find the right feed for her to move forward with after a few tests like this Smile

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arnendo
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@macky

metter have 0.5ppm. Do i need add some cal/mag before flush? 

 

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Macky
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(@macky)
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No just a clean water flush mate. Then refeed with fresh nuits. After that, we can monitor what the plant does and adjust accordingly. We just need a good starting point. Flushing will refresh the medium, and give us a blank slate to work with Smile

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arnendo
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@macky

okey, thanks a lot mate, i hope we will fix it Smile i let you know how it going 😉

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Macky
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She will be fine Smile Keep us informed 

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arnendo
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@macky

Hi. I flush it today. Mix nuit as you said, 380pmm, run off 310ppm. maybe next watering i shoul'd increase some more ppm?

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Macky
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@arnendo

Feed the same tomorrow and see what the results are mate Smile

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arnendo
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@macky

HI, getting worse my friend 🙁

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Macky
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Posted by: @arnendo

@macky

HI, getting worse my friend 🙁

Lets see some pic and let us know what the ec going is compared to the ec coming out Smile

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arnendo
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@macky

before watering ppm was 430, after 650ppm.

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Macky
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(@macky)
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This usually means they are being over fed. But they look like the are suffering with other things, not just that..... are you sure your phing properly? 

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arnendo
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@macky

i think i'm doing good, but sings show not... maybe i shoul'd try watering without nutrients for a couple days?

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Macky
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@arnendo

no you have to give nutrients every time in coco mate. 

It doesn't make sense that your plants look like this on the feed you've said. something else if off. Im thinking your PH, how are you test testing it? 

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arnendo
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Terpinolene
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@macky

PH tester as i show you.

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arnendo
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Terpinolene
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maybe tester shows not correct numbers but i sometimes i cheking with two tester, eletronic and simple one

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February 22, 2020