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    Grow Room HVAC

    I have a 20x20 room in my house. The plan is to put 3 Mars Hydro 5x5 tents with the 3000 LED lights. The tents will be sealed. My house is fairly new and well insulated. I plan to seal the door with copper flange and the two small windows with caulk. I live on the Gulf Coast. I am looking...
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    Male clone with monster cropped females in clone machine

    I have some monster cropped buds in my clone machine. They have not been in there very long. I have a male plant I also want to clone. I supposed putting that in there with them is a bad idea right now. How soon does a male plant die after it has released pollen? Yes, this is a question.
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    Organic no til grow, one ugly plant

    Same strain, same soil, same water schedule, same amount of water in pot. What's up with the plant on the right? Any guesses?
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    Abby normal seedling.

    Future #1. From Gelatoseeds.com. Growing in RedBud living no til. TWELVE DAYS OLD.
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    When to start compost tea

    I've looked and can't find at what week people are starting compost tea. The plant below is a Future #1, and is an amazing 2 weeks from PLANTING THE SEED in the photo. TIA boys, happy growing!
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    How I control VPD

    After struggling with this for months, I have hit on a solution that seems pretty close to perfect. I have an 8x8 sealed tent. I am running a Whynter ARC-14S set to 75 degrees (it's really at 69, but it translates to 75 average in the tent). I have a ALORAIR Storm LGR Extreme dehum that runs...
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    Clone Temp/RH

    We are acquiring some rooted clones. I've read a lot but am still unclear. What is the best temp/RH range for these plants? At what point to we switch to using VPD ranges? I have a sealed tent setup with enough HVAC to maintain any temp/RH/VPD range I want. That the result of some serious...
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    Sick seedling

    Too much light? I just backed from 500 to 250 umoles. 4k led.
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    THE TRUTH ABOUT WHAT VPD RANGE YOU SHOULD USE.

    So a couple months ago, I asked the question here What is VPD and why should I care? Got some good info. Did a shit load of research. A software engineer, I wrote some. See my screen shot. I test a probe from my friends at Sensor Push, and use that to control smart plugs to AC, Humidifier and...
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    Base mix question

    This is my base mix. What would you guys replace that biobiz with? growing no til. Base mix: 5 gal BioBiz light 5 gal Cow Manure 5 gal Peat Moss 5 gal Perlite 1 shovel full of AL dirt with ground cover
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    VPD and why do I care

    So, I'm growing in a 5x5 tent, organic soil. SF 4000 lights. I live in the southeast US, hot and humid. I have a small A/C in my tent. My intake fan is sucking in humidified air from a humidifer/the room. So one place I read that 70-85 F. and 40-70% humidity is where you want to be. Great. Then...
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    First time making super soil

    I'm taking a shot at living soil, and feeding with organic teas. I've mixed Seabird Guano, Neem Cake, Blood Meal, Fish Bone Meal, Kelp Powder Mycorrhizal Inoculant, Mushroom Compost, Humus compost, Earthworm Castings, Perlite of course, Epsom Salts BioBizz for a base. My first shot at...
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    Overnuted, now what.

    I'm growing White Widow Autos. Five. 3GAL containers in 3/4 BioBizz lightmix 1/4 perlite. 2 1500 W LED 1 150 HPS 5x5 tent. humidity 45-50% temp +- 76 We are in mid bloom. I switched to Maxibloom powder as an experiment I used 1 tsp/Gal as directed. I failed to mix the powder well enough and...
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    EC and PPM

    So, like any newbie, I read too much :) I read about EC and PPM. I have a meter that reads both, and it says my PPM is too low, and the number it gives for EC is like 1200 and the charts all have numbers like 1.2-2. WTF that's all about, I have no idea. So I nuted these guys full nutes (for...
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    Wilting Leaves

    OK, so the pattern is, every day my plants droop from about 10AM until about 7PM. Other times they look great. Now, I DO live in S. Alabama, where temps are in the 90s, but I live in a good house and the temp in my grow tent is 75. Humidity 51%. During lights out but they start before lights go...
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    Funny looking LST

    I think I've done this right, but I don't see anywhere pictures of LST that looks like these. Be gentle, I'm new.
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    FIrst LST

    I wonder if I did this right. Any thoughts? I might have been a tad early.
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    First harvest, ever

    This is my first harvest. I want to do it right. The two plants I have are untrained, were overnuted and overwatered... these are the two that survived. Checking the trichomes, they mostly look cloudy, my thought was to wait til a couple turned amber. I hear I can expect a spurt of growth here...
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    When its done.

    This guy almost there?
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