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60 degrees room temp is fine, you can run HID there easily, if anything you may need a small heater for the night time, 60iis on the chilly side when lights off. you can exhaust the hot air out, right? Here is a link that does a good job of explaining VPD. Its important to know, sure wish I...

foundationless model eh?

Your humidity is still too low, read about VPD. What soil are you in? 5g pot is HUGE for indoor unless you're growing trees. Probably dont need to give nutes at all or midway into flower

You know, an assumption is just a lie we tell ourselves. :blsmoke:

what size is your space? MH/HPS will be less expensive than CMH. All around better too being a rookie, as you say, may want to avoid LED's, they can sometimes add an extra layer of difficulty to the grow. CA deficiencies is common

interesting light you have, should be plenty. dont water it until the cup is light, probably take 4 days or so right now. Just let it grow, it doesnt need anything but light

I did a few runs in a 2x4 with both LED's and HID. First, either way you go, read about VPD and live by it. Second, big fat dense buds wont be created by just light; need good genetics and proper environment then let them do the rest. HID is better if you can control the temps/humidity, IMO...

first one to mention the most important part, leaf temps! lol. only took nearly 12 years to get there in this thread :bigjoint:

could you get it to 75 degrees, 50-55 humidity lights on? lights off things should drop 5-10 on both. your girls will be happier abiding by VPD https://pulsegrow.com/blogs/learn/vpd#calc

i vote 4x4 for more space

what is temp/humidity

water the entire grow bag, drench it, and let it drain. then dont water again until its dry. looking ok so far

you have a carbon filter with that?

they would veg better and faster if your humidity is higher, just based on the 32% pic above. vpd way out of whack

looks like they were overfed along the way, water only should be fine from here on out. Definitely needs at least another week or 2 at least

probably because it was SOG (sea of green), typically you dont top them in this method and use rooted clones. the goal is to grow single colas, but these are a little larger

what is your temp/humidity during the day?

You'll have all the right tools soon, just gotta tinker with it until you get the result you want. Good luck, have fun!

yep, you'll need it

should be no need to use calmag with soil unless using ro water. in which case ro water should only be use if your tap source is horrendous