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  1. caddymix024

    After 20 years of smoking, I'm finally gonna grow some

    Giving this grow thing a first time go.. we have two strains, OG and Alien, being grown in three different indoor tents. the plants were given to me as rooted clones about seven weeks ago and are in their first 10 days of flower now. all of them are in soil that's a mix of black gold, fox farms...
  2. B

    Grow tent help needed

    I recently bought a 2x4 tent and started two seeds in the middle of the tent under a Spider Farmer sf1000, since it’s only rated for 2x2 coverage I ordered another led similar. I have two questions, is it necessary to add another light even if I am not utilizing all the tent space and only...
  3. VIVOSUN Official

    VS4000 LED Grow Light Review

    VS4000 LED grow light is powerful, dimmable, excellent hanging apparatus and the diming option for the brightness is really a bonus.
  4. S

    Grow space 40x50 for veg/seedling

    Hey guys, I want to set up a 3 chamber grow in one closet. One for seedlings one for veg and one for flower. For the veg and seedling chamber I am not sure which light to choose. There are only way to big ones on amazon. They are both 40x50 (~1,5x2ft) I need to find one light for veg and one for...
  5. RedRock

    Purple Dogbud, LED, Organic, Small Tent Grow (Comments Encouraged)

    Getting back into growing after a few years hiatus. First legal grow. Please comment on my grow and give any advice you have. Here's the basics: Strain: CSI's Purple Dogbud Space: 36"x20" Tent Light: 320 Watt LED rig with 8x 3000k COBs All organic I popped all 7 seeds in the pack, but culled a...
  6. D

    LED Grow Lights. Quantum Boards. Let's get this shit straight once and for all.

    There's so much misinformation out there about LED grow lights and light spectrums. This guy has the most consistent content on it. What spectrum do you have running on your quantum board and why? My pick is 3000k + 660nm Far Red for both veg and flowering.
  7. J

    First Indoor Auto Grow,Need lots of Advice

    Hello, I have so many questions I have A 5x5 Gorilla Grow Tent With 2’ Extension For Lights I have many and I know I can’t use them all. Looking for combination suggestion. I have both a 1000 hps (Phantom II)and 400 hps (Solis Tek) I also have the following LED also California light...
  8. Mattossz

    Burn from excess light?

    Good afternoon, first of all I apologize for my bad English. From your point of view, can this be light burn? I currently have 8 cree cxb 3590 led working at 2.0 amp each led approximately I had the lights at a distance of 40cm, and I raised them but I am worried about the color that the tips...
  9. LEFTFIELDFARMS

    LED STRESS - PURPLE STEMS, SAGGING LEAVES

    Hi there! I recently upgraded to LEDs and in the mean time parted with the experienced grower I had partnered with... (boot straps up, organics incoming!) So last run (I didn't finish it) I noticed that the plants began to curl and stems became purple and very hard during the veg state...
  10. SmoltimeGrow

    Growing under two MarsHydro SP150s

    I’m growing two Tangerine Dream Autos under Two Mars Hydro SP150 LEDs. So far, so good. Have done LST and just trimmed some of the larger fan leaves from the upper canopy. Lmk what y’all think. This is my second full grow. very minimal nutrients being used. Some root growth stuff in the...
  11. RF90

    Do I just plant it?

    Okay guys first time using the paper towel method. The strain is low flyer auto flower. Only doing one and the seed is cracked after two days should I just drop it in my FFOF potting mix? I know it sounds like a crazy question but I’ve never grown auto flower (I know they can be sensative to...
  12. A

    Is it safe to use a 300W LED grow light with UV/IR in a room where i live and sleep?

    Hi, so as the title says, i'm really concerned about this. I plan to grow in my bedroom where i sleep and work from home, so lately i spend a lot of time here. I would like to ask experienced people to share their knowledge, advice and experience about growing with LED lights in living space? I...
  13. C

    Week 5 flower! Nutrient ratio???

    I’m in week 5 of flower and I’m using 3-6-7 on my nutrients. I’ll post pictures. I was wondering what ration I should use on my Nutes? Plus which week will they fill out the most? I’m growing gorilla glue, wedding cake, cherry pie, blue dream, cali dream, purple haze!
  14. G

    Any thoughts on these plants using this light setup?

    So i'm growing 9 clones at the moment that i cut from my previous grow, strain is Gelat OG from seedsman. Since 3 weeks, they re now 6,5 weeks old and are on day 11 12/12 with buds starting to form nicely. I've already read that combining HPS and LED will work just fine and it sure seems like...
  15. doctirderp

    True LED Light Wattage??

    I did all this research just to find out recently that the wattage stated on these vendor's products aren't the true wattage of the lights at all many times being an entire 1/6th or lower. This really confuses me now. Can more experienced growers please give me insight into this? How is this so...
  16. RainDan

    TIMBER JULY 4th SALE - SINGLE DAISY for $50

    Hello RIU, I wanted to announce our current promotion - purchase any Redwood VS or Fatty VS light now through 7/5 and receive a Single Daisy for only $50. This represents a savings of $139. Your choice of color temperature - add some supplemental lighting or light up some clones/mothers or a...
  17. MMM4r71nnn

    SCROG training on one foot

    Hi, I drew some scheme and I am courious if it will work. My plan is to cut the 2 lowest branches as soon as possible and top at 4th node. Then try and lead all the colas to their squares and as soon as the four original branches reach the corners I will top them all. This way I should be able...
  18. puffenuff

    Puffenuff's 2021 Journey

    What's up, RIU? It's been a while since I've posted a grow thread. Been doing this a long time now and I've got my regiments and recipes pretty dialed in to what works for me. Consistently producing fire so I can't complain much. I don't know if the journal will continue past this grow or not...
  19. nanners1

    growdiaries low yields reports (lm301B) ??

    Hey everyone, Ive been browsing growdiaries which most of you probably already know... I have no idea if this site is legit or not, but I look at yield reports by users and they are quite low always. for example, I constantly see reports of autos and photoperiods yielding somewhere 0.3g - 0.5per...
  20. Nate09

    Best Amazon 2x2 Grow light?

    Planning on filling up a 2x4 tent, I currently have one Parfactworks RA1000W to fill out one half, and im looking for another light to fill the other half(2x2) of the tent. Amazon is the easiest for me, what's the best bang for buck 2x2 light I can get from amazon? I will be growing hindu kush...
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