yellowing leaves

Ph intake is 6.3, ppm 700-900 depending on the feed, with I add N get small amounts of the claw, I’m leaning towards potassium.. but like 2nd opinion

My first grow of autoflowers and i had some issues along the way with heat and humidity as well as air circulation. Growing 16 plants. x10 gelato fb x4 pineapple express and x2 magnum autos. Growing in gold label special mix soil and watered the plants just plain water for 3 weeks and added a...

So imo I think I'm getting too many yellow leaves too early. I use distilled water when using plain water. I water about once a week with recharge tea. I have SPIDER FARMER SF-2000 LED Grow Light light mixed with a Viparspectra 1200w, Viparspectra 450w for lightening, and run 18on 6off. For soil...

Hello everyone! First time grower and first time poster, I have a 10 week old sweet tooth that is not yet done blooming and is starting to get fully yellow leaves all around with some showing brown spots but not all of them. The plant was kept both inside and outside (mostly the latter) and has...

Coco, 5 gal. smart pots, spyder farmer 1000 ledx2, fox farm trio, and cal mag+. I run my ph at 6.0 to 6.2 and ec has been from .4 to .6 so far. I tested run off once and it was at 6.5. I started off the grow adding 1.5 ml of grow big and 1ml of calmag+ but nothing else. After the stalks beefed...

Hey Guys, have a nice bush going (it's a photo). Has been vegging for roughly 11 weeks. I am seeing the leaves that are lowest on the plant, and in the middle, are yellowing off and dying / falling off. Is this normal? Is that due to lack of light exposure? Anything to worry about? I have...

Hi, hoping someone can help me troubleshoot. Indoor, coco grow, under 2 x 600w hps (ballast controlled and each set at 400w) Using seeds from 420fastbuds and biodiesel nutes. Quite suddenly at the start of week 5, leaves became droopy and then a few days later the yellowing started. I know...

Hi guys and gals. I have noticed slight yellowing on some of the fan leaves. She is a moby dick auto on day 39. I am aware of the nute burn. Just want to catch the problem early if there is any. , ReferiRef to the slight yellowing.