White pistols turning dark brown 3 weeks into flower

3 weeks into flower in a clean room with 1 Do-re-me plant, two small buds halfway down have turned almost black and have begun to detract overnight. It is totally possible that I have had contact with a male but unlikely. my soil is not the best I airate it often but it holds quite a bit of moisture and the room was up around 100. Could it be a root issue or high temps

If your grow room humidity is at a 100 your asking for trouble

as above,
5 Hacks to Lower Home Humidity Without a Dehumidifier

1. Get Fresh Air Daily. When the weather allows, open your windows each day to promote ventilation—especially in high-humidity rooms like the kitchen and bathroom. ...
2. Turn On the AC. ...
3. Replace Air Filters. ...
4. Maintain Windows and Walls. ...
5. Use Natural Dehumidifiers.

but the hairs should turn a redish brown colour as it matures, they look like there dead. all should be white for at least 2 to 3 monthes, depending on the strain go go

I think he is trying to say humidity is significant but the temps were up around 100.

oops sory i misread that one. how big is your room? can you get a fan for them?