HelloToby Announcement: Thank you for your continuing support in HelloToby. For improving our service and the user experience, HelloToby Pro App has been officially launched in June 9, 2019, and the original HelloToby App will be upgraded for customer exclusive version on June 11, 2019.
Thanks to the humidity, moldy walls and ceilings are not uncommon in Hong Kong apartments. Mold and mildew are unsightly and unhealthy. They produce allergens and toxic substances. Touching them or inhaling airborne spores may cause allergic reactions, such as sneezing, red eyes and skin rash to name a few.