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A friend read in a grow mag that you can kill bugs with co2 without damaging the plants, raising co2 to above 10,000 ppm for 1+ hours then venting. Has anyone tried this and is it true? does it not damage the plants at all and does it actually kill all the bugs? feedback please

Short summary of my growing past: Ive been in the game just over a year and have done particularly well. Ive only ever grown Kush and have only ever grown SeaOfGreen (ie between 50-130 plants per light) and have only ever grown in soil. With 600 watt bulbs my best pull was 1.4 lbs per light...

Short summary of my growing past: Ive been in the game just over a year and have done particularly well. Ive only ever grown Kush and have only ever grown SeaOfGreen (ie between 50-130 plants per light) and have only ever grown in soil. With 600 watt bulbs my best pull was 1.4 lbs per light...

So i've been thinking we need a commercial growers thread on RIU - if we put our heads together we can maximize our results! Now don't get me wrong on the "commercial" aspect of it, I love bud and am a complete connoisseur of fine herb. I would never harvest before full ripeness and...

I've heard (from urban grower) that closed environment is the best way of growing to keep out mildew/bugs with NO in/out fans. Conrolling temp with a chiller and humidity witha dehumidifier and c02 levels with a c02 burner, DO THE PLANTS REALLY NEED FRESH AIR? HOW CAN YOU HAVE A PERFECT GROW...

Im planting an outdoor crop and im wondering what the best strain would be for BC coastal climate. I want nice tall big yielding but also potent plants, with hopefully not TOO harsh of a smell. What do ya'll think??

1. How do u grow shrooms? 2. what are certain tips, pointers, or tricks to growing potent, quality mushrooms? how long does it take? how much space do you need? etc etc i need to know!

Ive got a problem with thrips, ive got plenty (prob 20 or more) adult thrips in the garden and lots of eggs and larval form starting on lower foilage. Ive sprayed with neem but it doesnt seem to be working! Ive got a stciky trap but its yellow i heard pink or blue were better. WHAT CAN I DO FOR...

So i left my crop to my roomates for a couple days and the light burned 3 of the tops really bad. They were only flowered for 2.5 weeks but i had to cut the burnt tops off. Will they bounce back and still yield some good bud on the top or am i planning to lose out on those plants? Lemme know...

Is it just me or does the search option on this website not work properly? I cant search ANYTHING any keyword i type in has no results matching. This is very frustrating! i would love the ease of being able to search forums simply by typing in "aeroponics" or "sea of green"etc. Is anyone else...

I cant find a 30X handheld microscope anywhere! I've check science stores, stamp shops, radio shack, hobby shops ETC. lemme know where i can find one for sure!

Heres a pic of a couple plants in my 60 SOG one 1000w MH that seem affected by something but im not sure what see if you can figure it out!! heres link to journal for full pics/info 1st page https://www.rollitup.org/grow-journals/149549-2nd-grow-54-purple-kush.html

All right guys, its SeriousSmoker and its time for my second grow. I've decided to keep a full journal this time from beginning to end. My first grow was successful yielding 19 ounces of AAA purple kush, but i had a lot of problems and learned a lot throughout the process! For some background...

Hey i've i got 10 romulan x burmese seeds, 10 Blue Cheese and 5 feminized Bubba Kush. I know the basics of germinating but what have you guys found the best way is? This is my first time, let me know!!

Dear smokers Im starting this thread to see all the information i can get on improving yield in anyway. My first crop was one 1000w HPS bulb over 50 Purple Kush clones grown with only 100% organic fertilizer, flushed twice. Vegged for 2 weeks, flipped lights when plants were about 13...

Dear smokers Im starting this thread to see all the information i can get on improving yield in anyway. My first crop was one 1000w HPS bulb over 50 Purple Kush clones grown with only 100% organic fertilizer, flushed twice. Vegged for 2 weeks, flipped lights when plants were about 13...

final harvest was around 550 grams, one 1000wHPS, but i over-dried the buds. Anyone know a good way to get moisture back into the bud for large amounts? they are way too crispy and an eigth looks HUGE, cant fit a half pound into a big ziplock! lemme know!!

i went away for the weekend while my 1 light harvest wass drying. Thursday night chopped it and got home monday night to jar it and it was wayyyy to dry. Is there any good ways to get moisture evenly back into the nuggets?I can barely fit a half-pound into the bag! Please help

This is my first grow, one 1000w HPS over 50 purple kush clones in half gallon square pots with only organic fertilizer, harvested 55 days in flowering. Its my first grow so im wondering how much you think the yield will weigh once dried! Heres some photos.

Hey guys im cropping tomorrow , 5 days into the 8th week - the plants show all the signs that they are ready, purple kush, one light, first grow. I heard somewhere i should leave it dark 24 hours before harvest, let me know if this is true. My other issue is powdery mildew, i noticed it...