What is this?

coast2coast

Active Member
Is this mag deficiency? Its my first grow, Ive tried researching a while but im sure experienced eye's would be ale to tell.

IMG_0573.jpg
 
Looks like early Mg deficiency. Check your pH and make sure it's in the right range. Soil should be 6-7, hydro should be 5-6 (ideally 5.8-6.0)
 
nah not mg, i had this happen to sum purple crack when i transplanted the clones, the soil in the cups was very compact and the roots were not able to grow good they were fighting to get out.
 
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