Hey everyone, things were going fantastic up until about a week and a half ago. My plants leaves began yellowing at a tremendous rate. They then curl up and die. I also have an extaordinary amount of white dots on my leaves. It doesnt really wipe off though, its got me confused! My room is at an average of 75, never goes below 72 and never above 76. My humidity is about 60% right now. My ph is constant at 6.0, and my ppms were at 372 last night. I know the pictures i attached arent amazing, but i had to work late and needed a few quick snapshots before lights out. I will add more tomorrow. I cannot afford to lose this crop!