Lower Leaves Yellowing Day 29 of Flower: Is It Normal?

So I'm 29 days into flowering, and I've run into my first real problem.... Some of her bottom leaves are beginning to droop, turn yellow and drop. I know this is supposed to happen eventually, but I didnt think it would be this early. Other than the few leaves in question, she looks good IMO. Anyway, heres some pics. Let me know what yall think PLEASE!!
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Here's a few more pics of her from the top, and of her buds:
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You might wanna read thru this post, cause I am seeing some symptoms on a few of your top leaves too...


https://www.rollitup.org/marijuana-plant-problems/427557-fox-farm-ocean-forest-soil.html

it looks like u stopped feeding N to early & u look like u might have the start of K deficiency as well. what is ur ph & what nutes r u giving it any?

what he said, ph. mine did same thing using humbolt nutes, crappy.

convict156326 said:

what he said, ph. mine did same thing using humbolt nutes, crappy.

Click to expand...

Are you talking about your soils ph or waters ph cause I'm having problems with promix's ph (waaaaaaaay too low)

I don't have a PH meter (broke college kid) lol. I know that that makes it a lot harder to identify the problem haha. I'm using MG bloom booster. I havent fed her since noticing this problem, since I didnt want to further damage her. (And I know, I know..... MG is not the best choice, but again..... broke college kid ) The MG has worked fine till now though.....

From the research I have been doing is that whatever is stablizing you soils ph is either depleted or close to it. I switched to promix and have been having this same exact problem.. If you can afford 20 bucks go down to home depot and get a digital soil ph meter ( good investment) and check your soil. I'm willing to bet when you do you will see your soils ph is too low, which in turn is causing your magnesium to get locked out. Your symptoms look EXACTLY like mine in the beginning of my ladies downfall. And it will just get worse as time progresses. If by chance you do get a meter and find it's too low then you wanna get some dolomite lime and sprinkle it on top of your soil and then water. It wont work instantly but it should neutralize your soils ph within a week or 2. Good luck bro