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As Star Dog mentioned, set your wet block on top of a dry block. The dry block will wick the water out of the wet block. having said that, you need to water every day in rockwool to draw in fresh oxygen. Otherwise you will suffocate your roots. It may seem counterintuitive, but by not...

Seems like any light with an adjustable spectrum will not work, at least that’s my experience.

This is only pertinent to a very specific set of circumstances that affects an extremely small group of people. It’s not standard social security protocol nor something the vast majority need to be concerned with. Those who worked “outside the system” may be impacted.

Probably both of them are wrong, tbh. Welcome to the world of cheap humidity sensors, and, to a lessor degree, microclimates in your grow. you can buy 3 more and they’ll all read different. Will say though, that a 14% difference is pretty high, but anything under a 10% difference is pretty...

Don’t concentrate on mag, just increase your feed ppm overall. To me …. They just look hungry. Good luck.

I’d personally let it dry back. If you don’t get the roots to expand you’ll be fighting this for awhile. I won’t preach about plant size vs. pot size since you’ve been around the block a bit. Good luck.

Probably.

Your theory will work fine as long as you are in veg. It will lead to increased humidity levels, which again, in veg, is fine. You do need to periodically exhaust/exchange the air though. During flowering, you are going to want to keep it running 24/7, otherwise your humidity will explode...

Yes to your question about lights, (could be other factors at play too) but agree w/ Dan‘s comment above. start over, do it better, and you’ll have bigger, healthier plants in 2 weeks. Good luck.

Theoreticall, yeah. But that 13% error range in the humidity control would be very concerning to me. as I read it, if you set it to. 60% rh, it could actually be anywhere from 65% to 52% and the unit would be functioning as designed. And assuming that vessel to the left is for...

If you have any pet stores nearby, they sell it for aquarium use. Just an fyi alternative if you are in a pinch.

Looks like nice setups! yeah, if that 2nd pic of the C69 is your flower tent, those conditions are prime for bud rot/mold. Your extraction fan is running 100% and you are at 70f/72%rh. . When the rh exceeds the ambient temperature, it’s going to get wet in there. Dehumidifier time. Big one...

Agree w Rocket. More extraction won’t impact humidity (unless you’re venting outside), you’ll neither need to increase temp or get a bigger dehumidifier. ive flowered at 65-70% rh but it’s a bit risky. Good luck.

It likely will also serve to reduce the stretch of your plants, making them shorter/more compact. At least that’s what the research suggests (Higher night temp than day temp). Let us know, good luck.

No. If it were that easy we’d all be doing that.

Drain to waste (DTW) hydro. At the highest level, that’s what it’s called. Then dig in from there, coco, rockwool, mapito, etc. Good luck!

Appears to be an excess of nitrogen, maybe coupled with overwatering.

Agree. First few leaf sets are often a little funky, as the plant is gearing up For growth. I wouldn’t think twice about it at this point.

2g is fine, you’ll just need to water more frequently.

The big leaves will never recover, may as well clean up the plant. looks as if you have enough green material that it will recover, gonna take a while though. You set yourself back a week or two …Good luck.