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This is my second grow (actually third but it totally killed me with root rot so I took couple of clones of it and killed all mothers) so ALL help would be appreciated... So, I have 2 tents - 240 x 120 X 200cm each Right now have already on me 32 X SI-B8V521560WW , and 12 X Citizen 1216. and...

Need an advice guys... Is that root rot? Becouse it does not smell funky... Girls loook fine... But res temp is little high, so I am worried as fuck... Just to be sure changed to pure water and added 3% H2O2 (3ml per litre). Dunno should i add some nutrients and good bacterias? Or does H2O2 kill...

Just got my big order of nutes, over 1k$ of frozen botteles... Is it gonna be a problem? The brand is CYCO, full series

Dear growers, can you advise can I plug 6 pieces of Citizen 1216 to MeanWell HLG-185H-C1400B Driver (Constant Current). Sorry for a dump question but I am a TOTAL noob in fysics so dont junge me hard :). Thanks for all help.

I just found an old meanwell driver in a yard sale, and i am complete 0 in fysics, can somebody advice does it work with any cob or led strip good enougth for growing? And how can i tell it is? It says Output 24V so the maximum voltage of cob or strip could be 24V right? What does the others...

I am planning to grow outdoors next year, so right now picking some good spots. Does anyone have any experiense doint it near Arctic circle 66°?

Hello guys! I have heard that more light is better but i have unlimited access to Philips TLD 58W&38W&18W color 765 due my workplace is changing the lighting. So i am wondering how much of theese lamps should i use during veg i just started growing 30 new plants. What is the optimal ammount of...

I have to move my plants to different appartament they are on a second week of flower, hydro DWC, is it even possible? How can I do it without hurting plants?

I have always been using soil to grow, new to hydroponics... So trying to figure out how many times do the water pump gets "on" in a day and for how long? I know that depends on the growing medium. I am thinking about using coco, is it a good idea? Or maybe clay is better for bubbleponics? What...

So i have 2 tents and 2 HPS 400W each so it is 1600W in total. Both tents have 2 Sputnik reflectors with cool tubes conected in line. Would the temp be good if i put on the both ends carbon filters 350 cfm each and 1 fan outside of the tents 700 connected to both pipes? And can somebody suggest...

So i am new to LEDs and hasn't spend much time researching and ordered bunch of 1500W COBs loaded with 5X300W epistar chips, 140$ a pieace. Are they worth trying or should i change chips in them for good results? research after buying is my thing =D