Problem

T

Tiger mom

New Member
Hi there.I am new to this and this is my first grow.Growing White Widow XXL from Barney's.
She is growing in a tent DWC and has been doing great until now.
She started getting brown spots mostly on newer leaves.She is about 9 weeks in now.
I'm thinking CalMag deficiency but not sure.
Any help would be greatly appreciated.
 

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Hi.EC is 1487.my oh is 6.1
Currently using Cutting Edge Bloom and Micro.
Just changed the water this morning and had to add ph up to get it to6.1 from 5.8
 
I don't understand your EC reading. Is it 1.487 or is that the ppm's?
Your pH is way too high for DWC.......should be 5.5 - 5.8.
 
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