yellow leaves veg

Hi Guys! I am an Italian first time grower and i need to pratice with Hydroponic so i'm growing some Hemp Seed (no thc in italy... for now) in an RDWC system. 4 bucket + 1Res 75L total, 2 Mars hydro SP3000 at 10% power, 1.2x1.2x2m grow box, air temp 21°C, water temp 18°C, using ATAMI fert. Hydro...

leaves turning yellow? We’re starting to turn yellow Thursday, watered them Friday checked on them this morning and getting even more yellow! Why is this??? I’m growing in Promix Bx, last ph level was at 5.6. 18 hours of light/6 hours of dark... I did add some nutrients Friday, ppm was around...

Hello! I joined this forum because it’s my first time growing and I’m having trouble with yellow leaves in 2nd week of veg for autos. They’re in Happy Frog soil with some roots organics top dress for nitrogen, but I’m still noticing the lower leaves yellowing... Could it be a watering issue? I...

Medium: Happy Frog Soil Light: 400 Watt MH Temperature: 75-81 Humidity: 50-66 No Nutrients yet, will start in week 4 I am in week 2, my 4 gorilla glue autoflowers have been doing well except for some odd marks on the leaves in this one, I noticed the yellow marks shortly after it got...

Hey I just started to grow my first set. One Northern Light 4 weeks, One Cheese 3 weeks, one Skunk 4 weeks wich seems to have some problems... Allmost all of the leaves have some yellow contrast in them, and most of the upper ones is pretty yellow alltrough. She do not have as much power in...

Can someone please tell me what the heck i'm doing wrong? lol or if my plants have some type of deficiency? I started growing back in 2009 and was doing it in a small apartment with 2 1000w HPS lamps, hydro buckets and an AC unit in a 6x6 closet. After 3 successful harvests with no issues I...

Hy there, ive got an issue that i cant identify. The issue is in both tents, on flowering plants same as on my mothers. i have White Russian, growing in Soil. Ph is about 6,3 mostly- lowering Ph with apple vinegar Growing in 16L pots. Watering almost every second day. Nutes Ive got full...

Hi. I am growing a single blue dream plant that is about 40 days into the veg cycle. I believe it is doing well in general, but I noticed yesterday that it now has a couple of yellow leaves near the bottom. There were two large yellowed leaves and 3 very small yellow leaves. I'm looking to...