Entire plant turned purple

[Hillhuned]

Growing GSC Flower week 6. Approx 50% of plants (randomly scattered throughout system, all trays have at least one) have turned completely purple, stalks, leaves, buds, some downward leaf curl but not too bad. Is this normal? Why not all? The other 50% are a darker green color. Otherwise all appear to be on their way to healthy yield. Will post pick later. Running 8x1000 hps, hydro, no heat issues.

 

[jswett1100]

Need pictures

 

[weedizard]

Growing GSC Flower week 6. Approx 50% of plants (randomly scattered throughout system, all trays have at least one) have turned completely purple, stalks, leaves, buds, some downward leaf curl but not too bad. Is this normal? Why not all? The other 50% are a darker green color. Otherwise all appear to be on their way to healthy yield. Will post pick later. Running 8x1000 hps, hydro, no heat issues.

Please post the pictures, i'm really curious

 

[FuckJeffGoldbloom]

Growing GSC Flower week 6. Approx 50% of plants (randomly scattered throughout system, all trays have at least one) have turned completely purple, stalks, leaves, buds, some downward leaf curl but not too bad. Is this normal? Why not all? The other 50% are a darker green color. Otherwise all appear to be on their way to healthy yield. Will post pick later. Running 8x1000 hps, hydro, no heat issues.

What about night time temps?

 

[zubey91]

Yeah cold temps or genetics will do that what strain?

 

[FuckJeffGoldbloom]

MY critical kush's are doing this because i let the temp at night go down to almost 60F, and where the fans are blowing more often, the plants are more purple...coincidence? Probably...cool? yeah! people who ask rhetorical questions are assholes!

fjg