New Grower Little help with the spots on this plant

[duartemartorell]

Hi guys,
This discoloration and spots appeared during the night.
I'm using light soil with perlite Janeco light mix.
I have been PH the water from 6 to 6,5
And i only fed them once with Atami Organic and only the veg period nutes. At the lowest recommended dosage. My water is from the tap with 60ppm
I thought it might be K deficiency but wanted to check with you guys before I feed her.
She has started flowering 3 days ago
What's your thoughts on this
Thanks

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[namvet25]

How old is she and have you used any cal/mag?

 

[duartemartorell]

She is 35 days old and I have not used any cal mag

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[duartemartorell]

You reckon it's Cal or Mag deficiencies?


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[duartemartorell]

Guess I'll give them 2ml/L of Cal/Mag to all 4 of them. This one has the strongest symptoms but the other are not much behind.
Thanks for helping


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[namvet25]

You should alays use cal/mag especialy after pistols start shoing.and even higher dose if your using led lights.

 

[duartemartorell]

Thanks for the advice, I just got a TDM reader and found out my water is super soft 60ppm. And since it has a strong taste I always thought it was heavy.
I'll keep you advice for the future
Thanks


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