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alright will do that and post pics after next watering. will write a better post were you guys can can see and compare

12/12? i'm on 20/4 forgot to say that on my previous post. yeah these lights pay for themselves, low consumption & stupid yields. honestly wonder why we don't see comercial california grows using this tech. at least none of them that have posted grow room tours, they all seem to be using LEC

What do you mean by locked up? I'm growing on soil pH:5.2 – 5.8 my grow room temp goes to 15ºC at night so that might be affecting phosphorus intake...

just to be sure next time around i'll water with: 1 ml/L calcium/magnesium 4ml/L delta 9 should i supplement some pk? I have some grotek monster bloom, should I drop some 0.1gr/L on the mix?

I'll see if i can upload some pics when i get home, shit got crazy real fast. this time around i'm running 4 plants only all the way through because I want a gr/w meassurement that I can trust. full disclosure in my last grow i didn't run them all the time at 300w in the beggining i was at 180w...

just some follow up on my last grow running 300watts on a 2 by 3. 1 plant yielded 150g 1 plant yielded 130g 1 plant 80 1 plant 125 and the other 2 I had to move into another tent because it was packed in there. one day you remove some leafs and the next you are back to having a jungle...

These are indoor grown autoflowers. they are 30 days old, and already into flower this time around they've been faster than usual. i think i've got some nitrogen surplus and a mag defficiency. but i woul really appreciate any input you guys. might have on each picture. Last feed was 2lts of...

they've always been brown spots never yellow. and they've been on the plants since their first few days. the spots are iregular shaped not round and they appear not in the lower leaves but instead on the top ones.

some more pics

tadaaaaaaa!!!!! what do i do?

very shitty ventilation and 80% rh

i've added mor pics. avg feed for veg is: 1.5ml x liter of calcium/magnesium 4ml x liter of veg nutrient (national brand if you want i can tell you whats in it) 1ml x liter of root nutrient (national brand if you want i can tell you whats in it) the water is the filtered water I drink...

album: https://imgur.com/a/BF6oXr2 all of them are 30 days old, we've been measuring ph using a tincture but that has proven to be a very poor method. i've bought a ph meter and i'm watering them with 6.5 but before this i was watering them at 6.7-7.5 (can't know for sure) do you guys think...

the only issue i found with that power supply is that the seller programs the output current using philips simpleset technology that means that if i want to change it i have to take it to the seller. i'll look into getting a meanwell driver in the future.

shit i already built it. no worries i can dimm it i used a philips xitanium power supply i turned them on last night and it's like the sun. for the cooling i used some thermal paste and a 12mmx31mmx12mm U channel.

i just bought 11 of these i'm gonna be running them at 1.3a each 300w total, in a few months i'm gonna buy 11 more of these and run them in parallel 650ma each. what kind of heatsinking if any would you guys advice? is this too little lighting for a 2f x 3f space?

won't the 8-10 clu1212 give me more penetration tho? height isn't really an issue here my other box has proven that. the design i have chosen isn't accidental. i'm a bit hesitant about the qb, the clu has proven to work, 2.1gr/w is really easy to get with them.

Hey guys, So yesterday I finished building a 3x2 plywood box and I'm now looking to put some lights into it. My previous box was a 2x2 running 4 X clu-048-1212 c4 gen 6 with an ELG-150-36b for a total of 150watts. and it was lit (2.1 gr/w). I bought this from cobkits.com in 2016 if I remember...

Hi, here are some pics. Can you see them?

No, not all over. Just in a couple of places. random, but only at the top of the bud all in one plant. COB 150w in a 2x2. the tallest bud is at 8 inches, but all the 3 bud tops, that have this browning are lower buds. i don't think it is light bleach. it is advancing very slowly, it is dry and...