Brown tips and brown spot on leaves. Whats going on??? i have pictures

Masonan

Active Member
Hey guys, here is my grow in a nutshell.
2 blue dream - (these are the 2 plants that i noticed the problem on)
1 $100 OG
Indoor - closet grow
Temps. - between 73-80F
Soil - the 2 blue dream are in scotts premium potting soil.
stage - 3 weeks into flower
watering - feed nutes every other water. I am using peruvian guano (10-10-2) and FoxFarms TigerBloom. When I am giving just water, I mix in 2 tblsp./Gallon of molasses. I watered the blue dream today with the water/molasses mix
lighting - I have 2 65W/3900k CFL and 6 42W/2700k CFL

I am in the middle of fighting some gnats that got into my grow room. I started by puting a layer of sterile sand over the top of my soil.

If you need anymore information please ask. Here are the pics:
View attachment 1228475View attachment 1228472View attachment 1228474

If any of you have any ideas or opinions on what this is I would love to hear them. Please let me know. I want to get this under control as soon as possible.
 
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