Humidity!!

[tigerozzy]

Does anyone know the humidity level mold start to grow?

 

[proaquatics]

40% i think just takin a guess

 

[Kobeclone]

Air inside your house is typically 45%. Air outside can easily fluctuate from 5% to 100%. Mold starts growing around 70%

 

[King Edward]

My room starts to mold when its been 70%+ for a week or soo!