A simple, honest guide to what monsoon humidity is really doing to your health and your belongings — and the one appliance that stops it. Do you know how high humidity during the monsoon can quietly worsen your health and irreversibly ruin your most valuable belongings — often before you even notice it is happening? Mould can begin growing on a damp surface in your home in as little as 24–48 hours. Fungus does not ask permission before it grows into the glass of a camera lens