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I want to take some stretch out of 2 of my girls, I was thinking of slicing 1.5" out and taping her together again. Good or bad idea? All my earlier pictures posted of them received suggestions of burying them deeper to reduce the height but I think that would just take away from root...

What is an efficient way to provide CO2, there seems to be many sources, some seem dubious. This kind looks easy and cheap but do they work? https://www.amazon.com/Green-Pad-Co2-Generator-Pack/dp/B0060OGYFU

There seems to be divergent advice. I have heard growers doing 3-5 days as recommended here and also 6 times per day in late stages. I have been using the first knuckle rule since they are still small, but it seems kicking it up will be necessary later. Will the first knuckle rule stay valid?

I just got a box of LED bulbs (15 watts / 100 watts, 5000 kelvins, 1500 lumens) They look superior in every way to equivalent CFL's, especially environmentally. My query is about distance, the rule seems to be ~20" for the 300w panel, but these are far less @100w. I am going to try various...

I have read that it is advisable to cut dry, brown leaves because the plant will divert nutrients to save the dead/dying leaves. The cotyledon's have reached that stage and I want to cut them off. Is there any reason to not to cut? I'm only talking about leaves clearly dying not just a little sick.

I didn't catch Nebula's warning about Coco chips and used them instead of Perlite, its been 16 days since sprouting and my girls haven't really grown much for a week. I know the water, light, and temp are all good so I think its the medium. I know its too early and they are small but its snowing...

I keep reading that the primary dis-advantage of new coco is the salt, is this true and if so how thoroughly should I rinse it? My seedlings are not growing quickly and I wonder if this is the reason.

I am struggling to get my tent humidity up (40% tops), heaters tend to dry the air but Chicago weather is what it is. Will lower humidity stunt growth? What problems can I expect?

I noticed these brown spots to a greater or lesser degree on all my girls, and they are all only on one side, the same side. They are 6 days old and under a 300w Hydrogrow @12", I give them 4 ml water with Rhizo Blast root booster (no nutes, just algae, 2 ml/gallon) into their rooter and 6...

Reading the Pankace's previous thread on making Dab and Tika's thread on tinctures; Is there that much difference between the two? Both require decarboxylation and extraction with alcohol , Dab boils the alcohol to concentrate and tincture ages in the freezer. The only significant difference...

My girls are 3 days old and 1"-3" tall, I have my 300w Hydro-grow about 20" away, is that too much? I don't want to TPK my third attempt. Thanks to everyone for helping me get this far.

After they sprouted nicely (thanks to everyones advice) I put them in rooters and kept them wet, humid, and warm under dome. They ceased growing (I opened up the plug to check after seeing nothing for 5 days) the roots turned slightly brown and slightly shriveled like moldy vegetables. Did I...

I went to local Brew and Grow to get my medium, they were out of Perlite but the staff said that Coco Chips were better than Perlite to be combined with Coco Pith. I purchased both Coco Pith (which i'm told is the coir) and Coco Chips, after reading up on both I'm not sure there is a...

The forum seems to recommend 40w 6500k CFL's so a shopping I go. I find 9w bulbs that are 40w equivalent (620 lumens) and 40w that are 150w equivalent (2800 lumens). It seems that 5000 lumens per plant is recommended, which bulbs are best? Would the 150's burn the girls?

I planted 5 seeds from Bergman's lab on the 20th (plugs GWE option #1 in a germinator) I checked them after 1 week and not even a taproot. I put another 5 seeds in a glass of water yesterday (GWE option #4) the seeds are still floating! The beginners guide says they should sink after a few...

Got my WW from ILGM in 12 days from order submission, putting 5 in plugs now, ordering my tent and lights. I'm positively giddy.

Greetings all, and special thanks to Nebula Haze for enabling such a fine community. I am new to this all (again), last time I grew was in 1983 in my closet, much has changed (yay decriminalization). I read all the tutorials here, on Bergmans Lab, and the Growing Elite pdf. I have concluded...