leaf spots

hey everyone, I have recently set up 2 *feminized photo period White Widow* in a mars hydro 3x3x7 tent, tsw2000, 8'' fan, 5gal dwc, flora series nutes, and this is my first time growing hydro. over the past couple of days I've noticed some yellow/brown spots showing up on their leaves. plant A...

Hi, I am a new grower and have been given a couple of plants. On one of them there are small orange speckles on the leaves, and the other has some larger paler spots. It's only on two leaves, but I'm worried it might be the start of a disease? Any help is highly appreciated!

I have 1 2 month old plant the leaves are undergoing some slight (I hope) issue it looks like slight calcium staining like water spots you might see on a glass out of the dishwasher. I think it might be killing the leaves though so I am worried but too inexperienced to know if or what it is. I...

I recently purchased Obama Kush Clones they were 21 days old when I got them. I have had them for one week. So they are not at about 28 days. This is my second attempt at a grow my first time ended badly with bad clones and bugs. They have brown patches that feel and look like dead leaves. What...

Earlier today the plant was doing fine, it was very perky now its wilting and it looks as if there's burning accuring. I was using CFLs 11 23w = 100w each bulb gives off 1600 lumens. Once I seen burning or some type of discoloration I switched to soft white bulbs 250w 3900 lumens each bulb. Temp...

thanks to any one taking the time to read this even if you have no idea what's going on with my plant. so i have a problem!!! one of my plants is starting to show rust-colored spots around the midrib of the largest leaves! i think i know what the problem is but i want to confirm it with at...