Plants are really taking off now and i decided to switch 12/12 yesterday. They have been super-cropped in the final veg week. Knuckles are forming on the stems as the lower nodes spurt upwards, cannabis is known for stretching most shortly after the switch. Most strains will remain growing a few weeks more before actual P-K uptake.
Hey there I read that you're thinking of switching to LED? If I can say anything, research the lights, I've come to find they are anything but consistent, some do well with veg but not with flowering.
Also I'm doing the same strain and breeder, but in an outdoor setup. I'm very excited to see how an indoor setup goes, and the harvest. How large is your grow space? What's the maximum height you could possibly achieve? If you don't mind my asking.
Happy growing.
@Experimentgreen, That's true, there are many debates if LED's are good for flowering, some believe not so because of the light penetration, while others say different. I myself believe theyr good for vegetation, and use the bloom switch only as supplemental light in flower, because of the infrared and red diodes. As main i use a ceramic discharge light. I've grown before with LEDs only (450w - 200W actual power) in a 90x50cm closet. I can say the buds were small to average in size, and a decent quantity of THC. Most of these lights lack red light in comparison to blue and with a smaller light intensity. i would not use this as a main flowering light again, unless above average coverage. PAR output in comparison with other lights is usually a bit lower. Overall they are not bad lights from seed to harvest, not forget to mention they consume alot less, so you could bring 2 or 3 quality leds for the same price as a HPS or HIDs in terms of monthly electricity costs. For me, i calculate PAR, PPFD and light intensity to monthly cost ratio to get the best out of lights. *tip: go for CMH lights, good in UV/UVB, good spectrum and 50% less costs then traditional HPS and HIDS