brown edges

I'm at the end of week 5 of flower and am having a few leaves showing symptoms of a Magnesium deficiency... I think?! I'm using a pH perfect nute system in coco coir (see pics) . Had great success with this system in past grows and no issues like this one. It seems to only be affecting the...

Hi, new grower here. About 3 days ago I noticed some small holes on the lower leaves of my plant. After doing some research I decided it must be pests, although I haven't seen any. I've treated it twice since then and the only thing that's changed is large amounts of brown spots all over my...

A quick summary of the grow: growing indoors in a 4x4 tent. Fox Farms Ocean Forest soil with 20% perlite. Fox Farm nutrient trio with snow storm added in. Growing under full spectrum LED (522 watts at the plug) two plants heavily trained into a scrog screen. 9 weeks into veg now and both are...