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Dqxslurri: Day 8. Light defol, removed weaker, lower growth.

Insane in the Prombrain Running on 200 to 350 micromole PAR light, dropped seeds last Saturday. Best coverage i got with 8 QBs on 100%, hang very high

Light matters i repeat it rather often. I would say is heat stress, you dont have enough light to stress them. 16m2... 4x4 meter. I see no way how you will get dense flower material, just not enough energy to pump into the ladies. 2400 watt HID light.. that is half as efficient to v3 LED tech, winter no issue, your lights produce more heat then light. Who told you to buy HID... kick his nuts! I use 1900 watts LED light on a 2.4x2.4 area. Friend uses 2400 watts. I try energy efficiency, he just wants big buds In your case, i would x4 your light for flowering. Eskom will giggle as you will have to bring in a big ass AC too. I would guess 40k a month for electricity, so learn to grow before you go big... it costs. My 2.4x2.4 sets me down 10k a month (summer). Go LED, import lights and drivers. Just did, 16 x 120watt QBs, drivers, no dimmers. With import customs charges, quite acurate 25k rand. You would need at least 54 QBs on a 16m2 area... and with that amount of light, very good ventilation. Winter easy, summer you need AC. 2 to 3 20k btu units should do. Ventilation. As many inliners blow in, you suck out. Plants like even pressure. Inside you need a lot of air moving, stagnant pockets will not grow. No co2, no carbon to build stuff ^^ 4mx4m area, at least 8 40cm fans to shift air... you go bigger, you can go less fans. sorry, bad news... but your setup isnt working in that configuration

my clone 2.4x2.4 sucks 4k per month... before the price hike. HID lamps generate double the heat... you need double the cooling power. He can be happy it only draws 10k a month... we talk 4 x 1.2x1.2, isnt small he will easy run 5500 watts on light times with ac and 400 watt during dark time... if it gets cold in winter, little heater... lets say 400watt on top. And i use very energy efficient inliners... 10k bro, with the april price hike, that is what i expect... will be more.. as i added a tent

Mhhh i can tell you once all tents run at the new spot unit price goes up the more you buy. The last week of the month is the most frustrating i took the 20.5% Eskom price hike in those 10k... was on 8.3k before, since the 2 ACs are powered down, life is better, Jan and Feb were nasty hot this year.

Cheapest energency light is one of those. You still have to set them according to your dark times. Not helping they activate when it should be dark Plants will not grow but the sensors will tell is light phase. Or run autos and ignore what eskom does

update I have been in the process of getting a new light for this tent, just haven't done it yet. Saw the great deal @Totemic offered, so I couldn't resist! Thanks again man, was a pleasure to meet you! added the 120w qb to help the blurple out a little here's a photo with both lights on, the 288 samsung qb almost overpowers the 300w blurp to anyone interested, the blurple is still up for sale together with some free seeds and free pots here is a few shots with just the 288 qb individual shots Blueberry Hashplant - she was stretching way too much so I made a bunch of cuttings Super Cheese - took a few cuttings of her aswell, just in case she's a keeper. French Macaron - added a photo of a friends outdoor plant, the one I got this cutting from Chernobyl Frosted Apricot - leaves praying like there's no tomorrow!

Hey @Island Gerl 25 ladies! Wow you sure are a believer inGo big or Go home. You the gal that shows up at the shooting range with a bazooka Been reading this thread with quite a bit excitement. You go girl , you going to learn some good $&it here and you going to learn fast. I see the boys had offered some excellent advice and they definitely got you covered. My 2c for now is don't stress too much about temp for now ( 31 degree spike not great but can be managed) , winter is here and the advantage of your hps lights is that they give off much needed warmth that's great for veging plants. Do however monitor the temp and if it gets too hot switch on your fans to get rid of too much hot air. I have my exhaust fan mounted up top where the hot air rises and is easily removed. You ideally want to keep temp in the 18-25 degree range. As PsyClown advised 18/6 is the way to go. Your plants need time to rest and it's in this time that most growth occurs (imo). If you're a gym bunny it's work out and then rest so your body can build muscle. Although hps is not ideal for vegging, it's not a train smash either. Yupp get yourself a MH bulb, which would be a quick fix with your current setup or just start with your current HPS bulb high up and lower it as your plants grow bigger and stronger. Looks good to me from your pics. At this stage a 60-65% humidity is desirable. Noticed you mentioned your humidity was at 75 %. Your fans would also do well to to lower humidity if it gets too high. Remember high humidity and high temp are ideal conditions for dreaded wpm so monitor closely and let your fans do the work for now. If you growing in jhb our winter humidity is generally low and i find there's no need to a dehumidifier if you get those fans dialled in well. I'm able to regulate my temp and humidity by running my exhaust fan for 15min every hour but this would depend on your grow room size, number of plants, watering schedule etc. I'd advise getting your fan on a timer switch. Just play around with it, you'll find the sweet spot. Rooting for you girrrl. Good luck and have fun. Peace ✌

Awe welcome