Red poison auto

Hello. Don't stress, lots of seedlings have weird starts. Drop the ph down a couple points, definitely raise your temperature, and keep up the good humidity and she'll pull through. Even though your pots are fairly small....it's still big for a seedling and the oxygen in the 2water gets used very quick so then the soil until it dries a bit is typically low oxygen, and little roots don't like that. So probably once that soil dries a bit more you'll see improvement. Happy growing .✌️

Yeah it looks about the size my plants usually are at week 2. Looks like a little damage on the first set of single leaves but the new growth looks great so I think you are right on track. Good luck!