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how old do the plants have to be before you start adding neem oil to their feed? i dont have any pests or anything but I heard its beneficial for the plants to receive some neem during veg.

is it safe to use these during flowering? i have a white widow with 4 more weeks left of flowering and i still see little thrips crawling around the top soil. all the yellow sticky traps & organic neem oil i've been giving my plant has not completely eliminatd them. someone recommend these...

My plants are a few days away from harvest and I found thrips on a piece of bud I cut off to sample. What should I do? I gave my last watering (+ molasses) today so I am going to cut these plants soon. Need advice on how to proceed. Thx

I have a WW mother plant that is 2-3 months old and about 3ft tall. I noticed today there were little female pre-flowers (white pistils) on a couple branches. I dont want this plant to bud so I keep t5's on her 24/7, but a couple days ago I had a power outage and they were out maybe 8-9 hours...

I made the painful decision today to trim some leaves off my mother plant because I'm fighting off a mildew infection. I cut about 9 shade leaves with signs of the fungus. I want to know if this will stress the plant to the point of creating a hermie? And How long does it take for the plant to...

I have noticed recently that my plant is developing little small fuzzy white-ish spots on its leaves. They look like mold to me. I am pretty certain its not spider mites or anything like that since this problem only started happening after I added a humidifier (my humidity was at 20, now its at...

it was time to water my plants today, so i fed them with a nute solution that as ph'd at 6.5.. checked the runoff pH and it was 6. that means my soil pH is lower than 6 right? i'm using ff ocean forest, what should i do to fix this or is that big a deal?

i have 2 plants i've been vegging for almost 5 weeks now. the older, lower leaves are turning a pale yellow, basically dying because the edges are turning brown and crispy. top growth looks pretty healthy except for the tips which are starting to yellow. from what i've read it sounds like a...

one of my 2 week old plants has a brown splotchy thing developing near the tip of one of its (bottom, older) leafs.. i thought at first it was heat stress because my light (400w hps w/ cooltube) was a bit too close and i made the mistake of spraying my plants with h2o while the lights were on. i...

I have a 400W HPS with a nice cooling system but I'd like to save money on my electricity bill, so I'd like to use some cfls for the veg stage. What do you recommend for a grow space with these dimensions 2'2"w x 1'7"d x 5'7"h ? I plan to grow just 2 plants.

i mounted one of these vortex powerfans on my wall (6" 449 cfm) with the metal brackets it came with and noticed it caused very noticeable vibration in the next room. all i did was place my hand on the wall and i could feel it on the other side. this is a huge problem for me since no one in this...

Temps are too hot!! Please help.. I have a rubbermaid shed (72Hx30Wx25D) in my closet that I use to grow a couple plants, but temps are hitting high 90s and I can't continue growing. I have a fan blowing inside the shed, plus 2 case fans (120mm) on top for exhaust, and one of those cheap 6"...

the instructions that came with my inline fan say i need a "110/120 Volt AC, 60Hz fuse or circuit breaker protected power source"... what the heck is that? :confused: i've never really tampered with circuits before, and i'm trying to keep this grow box a secret... is it ok if i just connect...

my 2-week old plants are 3.5 inches high now, with tiny leaves, and getting 400 hps of light at an 18/6 cycle. the only problem is their stems are a little weak. i have to use toothpicks to keep the little ones from falling over. i plan on getting some fans to blow air on them and strenghten...

well its been 2 weeks exactly since the doc shipped my seeds and i still haven't gotten anything in the mail . im getting a little anxious now, thinking maybe customs intercepted it (i live in the midwest). but if they did i just want to find out what happened already. maybe i should just try...

after i germinate my seeds in a wet paper towl and the tap root starts growing out... i know i'm supposed to transport it to a new home. but i'm confused as to what home exactly because i've heard so many suggestions. should i just put the seeds in a small 16oz cup of vermiculite & begin...

i've got a medium size closet about 5.5' wide x 8' high that i want to use to grow maybe 4-5 plants (strain may be a hybrid or strictly indica, because i heard sativas get pretty big). i'm on a tight budget so i decided to go with this lighting kit using a 400w mh bulb for veg & a 400w hps for...