Found this at the back of built in wardrobe today :( is it likely from condensation? The cupboards/ shelves weren't over filled so not sure how/ if this can be prevented :
Mum shares tip to prevent condensation in fitted wardrobes - 'prime location for mould!' | Express.co.uk
Why is a wardrobe dehumidifier necessary?
Everything you wanted to learn about how to deal with moisture in built-in wardrobes - UrbanWardrobes.co.uk
Photo of the Week - Condensation problem - 9 November 2015 - Biocraft
What Can I Put In My Wardrobe To Stop Damp?
Wardrobe Dehumidifier Small Space Bags To Stop Mould Mildew Moisture Absorber Condensation Damp Remover Improve Air Quality Small And Discreet Use Inside Wardrobes Store Cupboards Drawer Car : Amazon.co.uk: Home & Kitchen
STERUN 6 Wardrobe Dehumidifier Hanging Bags With Leak Proof Storage Bag & Hanging Hook Ideal To
ARIANA HOMEWARE Hanging Wardrobe Dehumidifier - Pack of 6 | Disposable Dehumidifier & Condensation Remover & Interior Damp Moisture Absorber for Home, Bedroom, Bathroom, Caravan, Garage or Wardrobe : Amazon.co.uk: Home & Kitchen
Nyxi Set of 6 Hanging Interior Wardrobe Dehumidifier - 230g Each Bag - Ideal to stop damp & condensation- For Wardrobe, Home, Kitchen, Garage, Bedroom, Caravan, Office, Basement etc : Amazon.co.uk: Home
Hanging Dehumidifier vs Dehumidifier for Wardrobe: Which One is Better? | Morris Direct
The 1 Food Cupboard Staple That Will Banish Mould From Your Wardrobe | HuffPost UK Life
Mum shares tip to prevent condensation in fitted wardrobes - 'prime location for mould!' | Express.co.uk
How To Stop Damp Occurring In Your Wardrobe | Expert Advice