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Hey all, I have been recently hit with a bad case of LSF (leaf spot fungus), and while it doesn't affect the buds, it has affected nearly all the leaves, even the small fan leaves right next to the bud, which I was going to use as trim. Just wondering if there is any safe, or 'safer' way to...

Updated photos on the problem as it continues, dosed with a bit of ES today.

Strange things are happening, seems as if whatever it is, is spreading from 1 plant to another, not sure if they both have low ph or mag def in both. But it is moving across the room almost systematically from the right of the tent to the left, which makes me think fungus, but ill start the...

Not sure if this is important, but it is mainly happening on the upper set of fan leaves of each cola, upper/middle not the bottom.

THis could very well be the issue, but I might have messed up seriously then as I fed today with full nutes :( I checked ph runoff and it is 5.5 or lower according to my strips. EKKK. I can't flush either as it is a scrog, but next watering I might just use water with some potassium bicarb to...

Photos of the new spread of whatever this is, hoping someone can help me identify it.

The brown sploddgy leaves on the top are getting bigger and many many more leaves have been affect, I dropped the RH from 55-45 ynight, so not sure if that could give people clues as to what it might be, like cause it has spread faster.

I usually let the water sit out for 2 days before watering, not sure about the chloramines/fluoride but I have 2 Blue mystics, and only one showing symptoms, however it seems to be spreading to the other plant so I was thinking it might be a fungus :S I hope my bacteria aren't dead, they are...

I use OT Bloom and now Grow, no idea what the ppm or ph is, I only know the ph of the water which is around 6.8 before nutes, but cause I am using organic I heard it will buffer. No RO water, no idea what cal/mag is, I dosed with epsom salts not long ago though.

These are the top middle leaves,

Temps range from 61f to 75f, humidity tops at 60, usually around 52. Blue mystic Growing in organic soil with organic nutes Week 4.5 Bottom of plants there are these black spots on the stems, Top of the plant and in the middle there are leaves like this, yellow with brown spots.

Bump? If it helps with the light emitting questions, I am planning to get something similar to this...

Hey guys also just wondering if anyone knows definitively whether tubular heaters give off any light (visible spectrum or not) that will affect the girls in flowering? Thaaank you!

Ah that is a good idea, I thought about heat mats before but how much weight can they stand, girls are in 5 gals and also is there no risk or fire using them? Whenever i look at them on ebay they always say that using for a prolonged period or some other reason can cause a fire? Maybe I have...

No idea really, first grow, done a bit of research into blue mystic, colder, bigger temp change = bluer, but mine are floating at 61-62 at their lowest to 79 at its peak. Just took a peek after the first day of 12/12 and they seem to have stretched a bit and look a lot healthy, probably also due...

Ah yes running lights during the night, I find it sad though, not as much time to stare at the ladies :( I was thinking of a ceramic heater but don't they run in the 1000w-2000w area, so it would cost a lot to run for 12 hours, or even 6 hours if I had it timed to only come on every 30mins...

Ah thanks man, I will definately try insulating, but best I can do is probably put down loads of bubblewrap tap it to the floor and then lay some carpet over it, unfortunately i won't be able to do that till next grow as I am in flower now with a scrog :( and can't move anything as my space is...

Yeah it's 60-61 with the oil heater on, but it uses so much elec for only a small gain of perhaps 5degrees cause i have a very poorly insulated room, and cold enters from below it. Imagine it as a treehouse grow, basically underneath the room is just air so basically all of the walls are...

Hey all, Winter is upon us and temps are dropping quick. At the moment I use a 800w oil radiator to heat the room my grow box is in. Growtent is 4 x 2 x 6. I only use a 400w light so it seems silly to use more w on heating the place up when the lights are off :(. Just threw my girls into...

Hey all! Just wanted to ask how much you can prune below the net in a scrog at once? I have left it a bit late and my screen it getting pretty crowded so wondering if I could prune most of what is underneath in one sitting? Or should I split it into a couple or more sittings spaced like 2-3...