Red/Purple Stems

Dr_Smoke

Active Member
Hello fellow growers.

I'm currently growing under 2 California Light Works Solar system 550s + Controller on a 18/6 light cycle

My temps range between 23° - 28°c ( 73 - 82 F )
Humidity range between 45 - 55%

Growing in Coco perlite mix 70/30
Using Canna Coco a+b, plus Rizo and Canazyme, following the Canna feeding schedule with the addition of calmag

Soft water comes out the tap at .01 EC which I increase to .04 using Calmag
Current res EC 1.2
PH 5.8

This is my second grow using the LEDs and I experienced the exact same stem coloring on the last grow, all though it may be worth mentioning that I'm growing a different strain this time round. Prior to having LEDs I used the generic HPS and MH bulbs and never had and issues with stems changing color.

Apart from the colors they seem to be healthy otherwise. Does anyone know why this is happening and if I should be doing anything to prevent this from getting worse ?

All opinions welcome! Thanks ‍️
 

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