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Hi there y'all, I've got a rack with 4 levels. 1 level is dedicated to rooting cuttings. Vertical space is very tight so putting a t5 fixture would likely be too strong to root cuttings (if I knew for sure though, I wouldn't be asking you all). I currently have 2, 4-foot T12s but I don't think...

To get tighter internodal growth and thicker, less spindly growth, which light would be my best bet? I'm currently using CMH and MH, but had better (albeit way too slow) growth with T12's (I would never fill a space with T12...just sayin')! My canopy space is 4 x 10 with 2, 315-watt CMH lights...

So, I've had this issue for well over 4-6 months. Leaves seem to be being sucked of nutrients by the plant, especially older leaves. Leaves on top are great, but lower leaves seem to be having issues. Some plants are in plastic containers, some are fabric. Some are in pro-mix, some are in...

I need to find an inexpensive controller that will activate a single outlet if the humidity OR temperature is too high. This outlet will be hooked up to a fan. It seems crazy that the only controllers I've found with this functionality are $400+ full room environmental controllers like...

My flower space is only a 4x4 tent with a 1000watt HPS, but I want to supplement CO2 and control other parameters (temp/humidity). Although I can have much higher temps with CO2 supplementation, a higher humidity is usually recommended as well, right? If I use an exhaust fan, not only do I...

Hello Y'all, I'm hoping to get some advice regarding environmental control from some of you deep thinkers :o) I'm close to a decent enough solution, but need some creative solutions and some devil's advocates to think of extremes in each space since the only way I see to manage such a small...

Grow environment: Oopen basement. Lights: one 1,000w MH, dimmed to 400-600, one CMH light, 1 rack with Fluence RazrX and a 4-bulb T5. Veg and propogation only, no flower (currently). Humidity controller helps a bit but the dehumidifier and humidifiers are small and the space isn't sealed...

Growing a supposedly autoflower strain in Detroit Nutrient Company "water only" soil and have top dressed once with Roots Organic Bloom Terp tea. It's at about 7-8 weeks growth and some it hasn't even preflowered yet... I'm guessing the autoflower genes are not strong with this one and may need...

Hello there everyone, For a number of reasons, I'll be shifting from flowering/harvesting for the end-user to a cloning and flowering mix. I'd still like to flower/harvest, but maybe a half/half would be good. For space, I have a 5x10 grow tent with 2 air-cooled low profile 1000 watt HPS...

I've got a 5x10 tent in the basement. With Summer approaching, this may not be an issue anymore, but I want to get set up for next winter. The humidity was way too low. I don't understand the best way to set up my grow tent. The plants need air flow, so my exhaust fan is running all the time...

Ok. So, at first I thought I was having a nutrient issue coupled with fans being to high or something, but everything else seems fine. Here's my grow: Indoor grow tent, active interesting with intake filter Temp: 68-79 Humidity: 25-35% (yes, super low, can't get it any higher here in the...