My First Grow

Week 4 Day 22 (8/7) Nothing much new to report. I'm still wondering why the new growths are so lightly colored. I'll post a pic or two on forums and ask if it looks good. After asking around, seems like she is doing good! Day 23 (8/8) Did a little more tying down this morning to try and open her up some more. She's getting pretty bushy, and I've been trying to tuck leaves so more light gets deeper. She's drying out faster and will probably need water a bit tomorrow. I'll do just water this time and save the feeding until next time. Next feeding I'll add some of the Soil A&B to the mix I have left from the last feeding. Day 24 (8/9) Ugh, noticed some yellow spotting appearing on some lower leaves. I took some pics and posted on autoflower network asking for help. I'm sure someone will know what's up and how to fix it. Depending on the responses, I do plan on watering today with just water. So, after posting on the forums someone thinks its magnesium deficiency. Seems to match pics I've found as well. Simple enough, I am watering tonight and will add some epsom salt. I mixed ~0.75 epsom salt into 5 cups of water (1tbsp/gal). I did some more tying today as well. Day 25 (8/10) Well I done fucked up. I added the epsom salt last night before lights on and come to find out that isn't what I was supposed to do. I should have done it with the next FEEDING. A mod at autoflower.net gave me the heads up. I need to do it with the feeding so that all the required nutrients are there to enable to adequate uptake. Just adding it straight up doesn't do much if it is lacking something else. Kind of like the amino acid "rain barrel", where if there is a limited nutrient, it affects the uptake of ALL nutrients even if they are in excess. Oh well, lesson learned. He recommended a mini-flush and a feed of 50% nutrients. He also said most people start nutes at week 2 in FFOF, much sooner than the 3-4 weeks I had read previously. So today, I will go get stocked up on water and use some Drip Clean. I'll run a couple gallons through her, let her drain, then feed. I will be going by the schedule and using everything it calls for that I have. I'll stick with the week 2 of veg schedule as she hasn't started flowering quite yet. Fingers crossed! Day 26 (8/11) Holy hell. Yesterday turned into a clusterfuck as we had a big storm knock out power at about 11am. It just came back on today 4:20 (nice). Had to relocate my lady several times. Between windows and hiding her outside, she got enough light to get by. Being in the sun probably gave her a good boost. With the power out, stores were closed so I didn't have the RO water I needed to do the flush and mix up a feeding. Finally got my water, ran 2 gallons of pH 7-ish water with 0.4 mL of Drip Clean. Then gave her a feeding of full schedule but at 1/2 doses. After it was all said and done, I redid all my ties. I think I may have seen a few pistils, but I'm not for sure. She should be hitting flowering here pretty soon. I'm going to let her run under the light now that it's on, and let her go until lights out tomorrow at 2. Day 27 (8/12) I haven't noticed anything change since yesterday, so here's hoping that the feeding wasn't too much and she's over her magnesium deficiency. I'm going to let her run with lights today until 2 then get her back on her lights off schedule. Day 28 (8/13) As week 4 comes to an end, flowering is just around the corner. I think I see some small white pistils forming! I will continue to LST, but will go easy on her from here on out. I'm still kind of worried about her magnesium deficiency. I'm seeing, I think, some more spotting on more leaves. It's even more slight, but still. On her next water I may add some epsom salt, but water lightly, then follow up with a feeding a few days after.