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If it's not an option to decrease N then make sure too flush properly and give her time to use up the excess N (you will see fan leaves start to yellow this is the plant pulling N from non-vital points to conserve for bud sites) nothing is more disappointing then potent bud that isn't flushed...

Just drop the N down after shes done stretching and especially for the last 2-3 weeks too much N will make for some unpleasant smoke

I use that pump and my 740+ gph in unison to run 15 airstones but i am confident that each bucket would still bubble plenty if i just had my big pump

I agree 100% they're lookin great!

740 gph is more then you need if you want real overkill and room for expansion I recommended this but it's not very quiet

You want to find the exact height it starts to cause problems then keep it just a little further away then that throughout the entire grow for best yield. Also reflective material around your plant to get some of the wasted light put to good use if not already being used

Holy cow ya that's light burn i have very little doubt about it. My 400w Hid could cause light burn at 10 in. (And it was not heat related) and 300w led has monstrous light output compared to 400w mh

Always happy to help any way I can I look forward to seeing her bounce back and out of curiosity how low was your light?

The best thing to do would be to keep the environment as stable as possible. she will bounce back just fine and the stress could be considered "hardening" the plant to make it less susceptible to heat damage/ "sunburn" in the future

ya the "back of the hand" test does not apply to leds. They can pound the canopy with light to the point of burning leaf without even feeling warm

I recommend 24" as a good starting point for the distance from the top of your plant to your 300w led. Wouldn't recommend the garden hose flush

Don't give it more nutes if you dont know it's in need. It is rare to have a true deficiency so early it is mkmore likely that your ph needs adjustment which would make the nutrients usable as certain nutrients are more or less available at certain ph levels. here is a chart that might come in...

my only advise is to not have too much air blowing directly at it. Plants seem to like higher humidity in Veg too much direct airflow could dry em out

You might want to rethink running your light so high up you are not using optimal placement throughout growth here is a chart that I use

i keep my bulb 32" max from the canopy and i let them grow until they're about 24" from the bulb before moving the light up to 32" away again. after the initial stretch phase of 12/12 is over i keep the light as close as possible without burning anything

Look for Active Aqua commercial air pumps. My 45L per minute Active Aqua pump is about 740 gallons per hour and comes with a 6 way adjustable valve spliter. Each of the 6 valves can be adjusted independently which i find useful for making all buckets bubble evenly. 740gph would have 4 buckets...

Thanks and good luck to you too I just hope I don't run out of vertical space as i only have a 7 ft ceiling

Thanks but the tallest girls are still under 2 ft. i think it's just that my little 2 gallon buckets make the plants look bigger by contrast. If these were in 5 gallons they'd look pretty munchkin Lol

It's day 31 and the last day of veg. I removed minor growth from the bottom 30-40% of the plants 3 days ago that weren't getting good light to minimize popcorn buds.