First grow looking okay, maybe slight issue?

Hey please bare a little bit of typing, but I wanted to give some back story so you guys could think of some insight on my grow. So this is my first grow and I have some questions. I bought a 2x2x5 tent and a spider farmer sf1000 LED light. I plan on growing auto flowers as soon as my seeds arrive, but in the meantime I popped this seed I found in a nug of some fire Dolato just to play with my tents environment and get ready for the real deal. I first germinated the seed in some paper towels until I had about an inch of root poking out, then I planted in a small Dixie cup of some heavy bagged organic top soil of peatmoss and compost. I placed it in my windowsill because my light hadn’t arrived yet. During this time, the seed sprouted but it started stretching a lot. So after it was about 6 inches i cut the top of a liter size Gatorade bottle and filled it with more top soil and i transplanted the sprout so the stretched stem was buried. The light then arrived so I placed it in my tent but after some days, I noticed the soil was jsut way too heavy and the plant wasn’t growing at the rate I know it probably should be if it was comfortable. So I transplanted again, but this time into some foxfarm OG. I’ve been watering with 6-6.5 ph’d distilled bottle water. BUT when I stick my ph reader soil probe into the soil, it looks like the ph is reading above alkaline like 7-8. The plant started growing much better than it was and finally seems to be in a comfortable veg stage. But, I’ve noticed some unfavorable traits. On the first set of 3 leaf leaves, the longest tip seemed a bit burnt. Then another set of 3 leaf leaves grew which seem healthy green. Now the first set of true 5 leaf leaves are coming in, but I noticed they seem a little splochy. Like some lighter colored areas. Also one of the leaves appears to only have 4 leafs rather than 5 like the other. Could you guys give me any tips, pointers, feedback, criticism? All much appreciated. When my seeds arrive I plan on popping either one auto in a 5 gallon pot at a time or 2 autos in 3 gallon pots. I’ll be puting this Dolato outside in my greenhouse.