Left humidifier on and 90 RH for 2 hrs on 2-3 wk olds?

This was a few weeks into my setting my grow up in a new home because my past grows for Years have been done in a non Green friendly place and I ran it all automated and I just had to visit them on the weekends usually Friday late till Sat late because I wake and drive back Sunday! That said please don’t judge me on the issues I have had a ton of for the first set of Bitches! I had an issue with a person who was making life hell in my house if I opened my tent up for 5 minutes in super early like seedlings to early veg before any real pungent smell! I tried to LST and train them but I didn’t get my normal perfect round and all and this strain is Indica Dom but it is 6 foot at the start of week 3 in flower! So the Gals will look weird shaped but I went to do training and the silica had made the branch brittle and broke a main branch and I couldn’t really get anything to bend well without knowing it will break overnight. Trust me, I have done it enough! But they are going to produce and I should pull 1-2 lbs if the Gangsta Bitch with the K deficiency does not Hermaphrodite!!!! Watching everyday! I almost want to pull it? But she will make buds as long as it does not herm! Wait until next grow, Bahama Berry and Creature Panic from Solfire again. I normally don’t do that but the two I just mentioned is something I wanted to grow for a year. The creature Panic but the Bahama Berry has the aroma of a Strawberry Slurpee!!!! All high yield and FROSTY!!

No worries... if it was only for 2 hours, you'll be fine. It won't cause mold - the humidity would have to be excruciatingly high for several days for this to be a worry. I'd also keep your tent open completely until the RH is good inside the tent - which shouldn't take too long! For the perfect heat/humidity ratio at any stage of a plant's growth, find a decent VPD chart.. it will tell you, based on the temps you have in your tent, what the humidity should be for any stage... Good luck!

in short no if you have dired the area out now and you have proper ventilation that will not happen again and anyway this stage in your plants life I would suggest a high humidity of 65-70 when the lights are off as this will increase her growth best of luck buddy you will be fine :)