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Indoor. Grow Tent 4x4x8. 400 HPS, 20 on 4 off, soil, I use my worm bin soil/compost and mix in Fox Farm Happy Frog (tomato mix) and add plenty of perlite, wet the soil then let it sit for a bit so the little tiny fungi can grow a little. During this time I start the seeds in jiffy pots. As soon as they get their first set of real leaves I plant them in 2 gallon pots with my soil mix. I've seen folks put them in smaller pots, this is a mistake. Put them in big pots, they like the room. Don't transplant them from pot to pot either. They don't like it. Just get them set and let them do their thing.
I use plain tap water. Once they start really flowering then I mix in some Alaska Morebloom every 2nd or 3rd watering until they are done. They seem to like it so I have stayed with this process. I don't bother with worrying about PH or flushing. The end product once cured is smooth and potent.
I used to start them using a 400 MH then go to HPS when they really began flowering. I don't anymore because I've found it makes no difference. I just start and finish with my HPS.
I want to do a couple outdoor this year. I'm sure if I really worked on dialing it all in I could do a little better. So there you go. That's what I do and they seem happy.