Why are my leaves turning yellow?

amasterp1322

Active Member
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It's on week 5 ppm is at 1000 running hgv nutes. I see some purple stems. Sulphur deficiency? Also been battling a thrip problem as well. Anyone have ideas for the cause?
 

lime73

Weed Modifier
Need more info, more the better we can advise. Tell us more about grow, feeds, nutes, water, medium lights all that jazz.
 
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