Looking good. I'm good with lights. I have a 1000W HID system that is dimmable (600, 750, 1000 watts and super lumen). I also bought a cheap, small LED because I didn't want to use my big light on the cotyledon. I used the LED for two days then put the MH bulb on 600w.
I'm using happy frog soil mixed with extra perlite and my understanding that it has roughly two weeks of nutrients "built-in" so I was going to wait to start adding nutrients. What kind of soil do you have and when did you start adding nutrients?
My main concern is that these are autoflower and the plant in my picture is in its second week. Every timelapse I've ever seen of autoflower shows the beginning of bud formation around the end of week three. At this rate, my colas might get a few inches tall and therefore a waste of resources.
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