Whether you’re using oil paints, acrylic paints, watercolours or painting mediums, it can be easy to get all their lids stuck! And how annoying is it to try and get them off again? Today, art school owner Stephen shows you how to remove the paint and build-up from around the tubes and bottles you use, without destroying them. No need to use giant spanners and tools! And of course, prevention is often better than a cure too, so we go over how to stop this from happening in the first place.