Spectrum mixing?

IBetUFold

Member
Hello! Right now I'm starting my two very first grows. One I have already made and you can check my journal- I'm growing it in cabinet.
And now I'm finishing my PC growbox. Only now I have question- as I only have 2x 30w 6500k bulbs, should I mix it with 1x 2700k bulb between them(I have 3 sockets available)?
I ordered those 2x 6500k bumbs through ebay as in my country there isn't a single 6500k CFL bulb for sale.
And my second question is about Co2- is it enough just producing it by intake ventilator from my room or I need to produce it somehow?
 
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