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Potassium deficiency? hydro grow issue

  • Thread starter Thread starter Bigdmvp03
  • Start date Start date Mar 4, 2021
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Potassium deficiency? hydro grow issue

Bigdmvp03 Mar 4, 2021 6 Replies 1,887 Views
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Bigdmvp03

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#1
Hey, this is my first attempt at a hydro grow. I’m running a 30 gal res. Changed my water 4 days ago. Ppm has been climbing but I’ve been adding more RO water. Air temp and water temp are good. Ph has been between 6.1-6.3 and ppm between 650-690. Any advice is appreciated!
 

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Bigdmvp03

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#2
Forgot this one as well
 

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M0nStarNuggety

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#3
What Nutrients are you using? and with RO water you need to make sure you have enough Cal in your solution. And if using LED lighting they seem to need a bit more from what Ive seen. I have well water, clean (140-150ppm) and still needed an extra boost
But Im only finishing my 2nd hydro grow. So no expert here
 
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Aqua Man

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#4
Bigdmvp03 said:
Hey, this is my first attempt at a hydro grow. I’m running a 30 gal res. Changed my water 4 days ago. Ppm has been climbing but I’ve been adding more RO water. Air temp and water temp are good. Ph has been between 6.1-6.3 and ppm between 650-690. Any advice is appreciated!
Click to expand...
Pic of the roots?

Ph a bit high.

What are all the nutrients, amounts and how are you mixing?
 
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Bigdmvp03

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#5
General hydroponics and we are following the recommended amounts from them. During a res change I’ll ad my armor si first. Wait 30 minutes. then over the course of about an hour , hour and a half mix in the rest individually
 

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Aqua Man

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#6
Ok what week are you on? Full dose maybe to high Imo. Do you have a ppm meter? Or going by the chart?
 
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Bigdmvp03

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#7
I’ve been dropping the dose by 10% due to 3 of my 4 being behind on growth. I’m using the early veg dose. I just got my ph down to 5.8 and Ppm to 615. I’m gonna try to get it down to 550. Yea Ppm meter and ph meter.
 
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Thread info

Replies 6
Views 1,887
Started Mar 4, 2021
Latest post Mar 5, 2021
Starter Bigdmvp03
Forum Cannabis Infirmary

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