Ideal PH for hydroponics for Ca uptake

Its my first grow of a Auto indica strain and I’m currently on my second week. Im using Hydroponics DWC on a 5 gal bucket and using tap water with Flora Trio 2 ml /gal (0,5 ml / L) for each and Calcium /Magnesium 4ml/gal from GE. Temp is set around 21/25C and moistrure around 50%. PH has been between 5.8 ad 6.4 …I noticed leaves started getting very light green/ yellow tone and I one started to appear yellow spots. Am I running into nut (Ca) deficiency ?

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Keep ph at 5 8 for hydro

PH no higher than 6.0 and 5.8 is normal peak.

Your plant is hungry.

It would be helpful to see pictures in natural light.

Myfriendis410

      ILGM Mentor




    April 8

PH no higher than 6.0 and 5.8 is normal peak.

Your plant is hungry.

It would be helpful to see pictures in natural light.


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I see the spots. I don’t think you have any issues. Just start ramping up your nutrient load to around 750 ppm over the next week or two and that plant will explode.

No top feeding now and make sure rez level is 1 1/2 to 2" below net pot.

Hi…than you for advice. You were right! Here is my baby now.

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