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Had concerns over damping off towards start of the week as seedlings tall leggy and leaning over, reduced light height to 8 inches and increased power to 60%. Last time I grew autos the light was a lot lower and whilst good yield nice smoke they were very bushy and short and stocky so experimenting a little with light height this time to increase spacing between nodes, 20 inches was way too far, being careful though as lights 450w, brill light spider farmer but gotta watch power a bit. The drop in light height and introduction of small fan making the plants wobble slightly has dramatically improved their strength and thankfully no damping off. Extraction fan on permanently set to 1 or two so low settings, nice air flow. Also sealed a couple light leaks so plants are getting their restorative darkness for 6 hours a day and overall touch wood looking fit and healthy. Pleased with the amount of growth after two weeks. Very light touch with nutes and watering at mo, .4 litre daily with root juice and bio heaven promote healthy organic soil. Fingers crossed so far so good. Happy growing all. :)
What ph is your input? I’m no expert but I would thought if it was to do with light all the top leaves would suffer including the auto, I would recalibrate your ph pen and maybe reset with a flush
@pazman, Could be Cal-Mag, but could also not be. And just worth the PH. I know everyone always thinks it's Cal-Mag, but they just ask themselves whether it's the fertilization or the processing. Everyone knows that, Cal-Mag is the sign but usually not the problem.
Nice nice , Doesn't look exactly unproblematic. I also have two royal dwarves and both are treated identically. One looks like yours and has more hanging leaves, but hardly any definition. The other one looks perfect. I haven't really figured out why they're so different yet. Hihi, one of mine always looks like she's dying and only looks healthy for 12 hours out of 18 hours ligth :) the other one manages well for 16 hours light.
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