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If you don't have a lux meter, you could use a phone app. They aren't accurate at all but it gives you a point of reference

Yeah it confused me as well, cause it seems with mh/hps you can have them cranked and close enough that they don't burn and they will never droop due to "too much" light. I don't know if it's a dwc/led problem but Ive only ever really experienced it during veg/ early flower. Other than that they...

I had this issue with my 240w qb288 in my 3x2 dwc grow. At 22 inches(maximum height I could hang) I could only ever run them at 75% in veg, otherwise they would droop. I'd recommend dimming them so that you get around 15k lux at the canopy. Then once they bounce back slowly bring the lux up by...

Running sterile if you don't have a chiller is probably the best way. Every couple of days I had 5ml of peroxide and my temps occasionally get up to 75f. Haven't had any problems so far (touch wood)

I only run sterile. To the best of my knowledge you can't run hydroguard (beneficial bacterial) with peroxide, it's one or the other. Pretty much anything organic and hydrogen peroxide don't mix.

Adding more intake holes is probably a good start to deal with the heat as is getting the hot air out of the room. How far away is your light? Also if your res temps are that high without ice you're going to have loads of trouble, perhaps consider a water chiller or another grow method...

Also where is your thermometer placed?

Are your buckets completely filled all the way? Looks to be that way in the photos... If so drop it down so it's 1 inch below net pots and hand water till roots come out. My experience with seedlings in dwc is that they need time to develop a decent root system before being put into bigger buckets.

I had a similar issue with my 480 watt quantum boards. I cranked it up just before flower and plants drooped like crazy, ended up turning it down to 60% and they bounced back. What height is your light at? Maybe try dimming it and see if it makes a difference

Yeah I think that seems to be the general consensus, should of let them develop a better root system before planting. Ah well you live you learn. And yeah I rinsed the hell out of the hydroton and then finally soaked in pH 5.8 tap water. That stuff is filthy

I did germinate the seeds in paper towel and planted once they had a tap root just over an inch. Had been hand watering every third day as well. Turns out my pH meter was off by one even after being calibrated... Probably what's been causing my problems. Since then I've purchased a new one...

Hi guys, new member here. About two weeks ago I germinated 2 seeds and placed them directly into hydroton, as I've read a lot about starting in rockwool to be problematic. I have grown both of these strains before in coco and had 0 problems. The seedlings seem to be growing extremely slow/not at...