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Hey guys, so I'm about 4-5 weeks into flowering and these spots just popped up over the past day. I'm assuming it's a deficiency but seeing as this is my first grow I really have no idea. I did some research and the best i could come up with is potassium deficiency. Lemme know what you guys...

I already have a hps above the plants but I have a t-5 just laying around so I was thinking about throwing it in there too. The easiest way for me to do that is by laying on the ground slightly propped on one side to angle it towards the plants, with the lights facing up of course. Anything...