Bag Seed First Grow

This week was good, the whole growing thing kinda clicked. In summary the plants are doing well now and definitely at home in the 1 gallons, they pretty much doubled in size and are now entering the true vegetation stage. I topped the front right plant, at about day 25, I just wanted to test it out on one plant for now. It seems to be doing well. I finally calibrated and used my expensive Ph meter this week... my tap water rang in at a whopping 7.5. I was using stips prior to this and they are at least 1.0 Ph off. In fact, back at the beginning of week two I used Ph up since I thought it was low due to the strips and probably fed the plants 8.0+ Ph, I'm positive of this now. That's why they went yellow, I fed them early nutes which was stupid but it was the Ph that really messed them up. That's why they never fully recovered and have been in somewhat of a "limp mode" with soil probably in the 7.5-8.0 range. I also read my PPM of the tap water and its like 295, which is ok, I have filtered at 200. So I discovered this at the beginning of the week and I have watered them twice with Ph 6.2 water to compensate (200 PPM filtered water without additives except Ph down). Their runoff of the last watering had a PPM of ~475 and a Ph of 6.8-7.0. I consider this recovered and feeling pretty good. The best circumstance is that I discovered the Ph problem before I really watered them after transplant, so I didn't wet the whole soil with 7.5 Ph water, so almost a clean canvas there minus the transplanted soil which was probably pretty high Ph. After doing the measurements and knowing exactly how the soil is I feel much more in control of this grow. Like next watering I will probably add nutes and have the PH around 6.0 to 6.2 and that should raise the PPM of the soil a bit and bring the Ph down to near 6.5 ish. I have a feeling I should get some really good growth in week 5, they also need it.