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Wow.. another super productive defol thread. The only people who involve themselves in these anymore either like to talk shit, like to bloviate for hours about how much smarter they are than everyone else, or both. I haven't seen a good faith discussion about pros and cons of this topic on RIU...

I started the post you quoted by stating that I was not familiar with the nutrient regiment he was using. My only advice was that stated average lights on Temps were too low for the type of light the OP is growing under, which, as you stated, is correct. Being as others had chimed in and the...

I think it's up to you how you want to do things, my question would be why? Why not give a plant it's own pot? No competition for root zone space, better ability to care for each plants needs without considering its roommate's needs.

I've been wondering about that since I first heard about them. I'd sort have been guessing that using either beneficials or a sterilizing agent in your reservoir would be sufficient to prevent that issue, but I have no first hand experience with them.

Not using them at the moment, but usually do and I love them. 1 carrot in each, 3 gallon fabric pots, promix and Jacks. 4 plants in a 4x4. Growing on easy mode.

I don't supplement CO2, so I'm not positive about the exact numbers, but you are correct. supplemental CO2 allows you to grow at higher temps and utilize more light leading to increased photosynthesis.

I attempted to briefly explain in my initial comment. Cannabis has a range of temperature that it prefers for the surface of it's leaves to grow optimally. the reason people shot for 75 f under hps is because hps produces sufficient Infrared Radiation to heat the surface of the the leaves to...

I've been growing with LED of the sort you're using since 2017, if you're going to believe someone on this issue I am your huckleberry.

I'll let you Pada figure your pH issues out.. that being said, the only thing I'd take issue with is your light on Temps. Can you get those up a little? Plants do better under LED between 80 and 85. 75 is what you'd be shooting for under HPS, but LEDs lack the necessary IR to bring leaf temps...

right here. I don't know how you missed it.

he already listed several options.

you want to be really careful about not letting the necrosis on those bud leaves get any closer to the buds. dying leaves between calyx is asking for bud rot. done or not I'd be chopping some of those.

i am pretty sure the lights aren't the problem. I have 515 watts of LED over a 3.5 x 3.5 space and not having any of the issues you're describing. you should be shooting for 35 watts of led per square foot of grow space for flowering.

this is incorrect when using LED lighting. mid 70s is fine under HPS.

who doesn't clean their space between runs? all my tents look pretty much brand new because I clean and sanitize them every time. dirty tents or rooms is just asking for plant pathogens.

i can't speak on the nutrients you're using because I've never used any of what you listed, but your Temps are way off for growing under LED. you should be shooting for low to mid 80s under LED.

Y'all are speaking to the past.

I tend to back off on light intensity for the last week or so, but only by about 15 or 20 percent. If you're talking a more significant drop in light I'd recommend against it. You've come this far, why deprive them over a measly week?

If you'd like to avoid spending more money you could simply try to keep your plants within a 3x3 space centered under the light. otherwise, you could invest in another 100 watts or so of LED and you'd be much better equipped to take advantage of the full 4x4. gimme a minute and I will link you...

you want a space that is dark, gentle air movement (no fans blowing directly on the buds), 60 to 70 Fahrenheit and 50 to 60% relative humidity. this is considered a good range for drying cannabis. as mentioned above, no heat. you want to shoot for a dry that takes at least 10 to 14 days...