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.

 

EagleEyeHamThrust

Active Member
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)
 

brickedup417

Well-Known Member
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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