Hi, too much watering, RH and lack of airflow contribute to it, I have had seeds that took time to germinate and have had powder on my soil surface and used cinnamen to top layer with success,bud rot you can trim some spots earlier and make room and blast fresh air. I don't usually grow strains with real tight internodes because I live in a very humid weather
I haven’t seen anything crawling around i have trouble noticing differences in weight with these small pots I’m still really new I fully saturated the soil last night for the first time and stoped spraying also turned on both my fans they seem to be doing greatLooks like spider mite damage. Check the underside of the leaves It could be residue from you spraying all the time. Stop that. Fully saturate, then let your medium dry out between waterings. Stop using your finger on your plant, check by weight. When pot is light, time to water.