In digital marketing, the term âinterstitialâ is often used in the sense of âinterstitial advertisingâ, rather than âinterstitial webpageâ. In some cases, this may lead to confusion because interstitial ads are not always served on interstitial webpages.
Clean natural paint from brushes. 1  Natural paints do not require any special treatment. 2  Simply rinse the paint brushes in the sink or a bucket. 3  Waste water from the buckets may safely be poured onto the ground or down a drain.
Water colour brushes are delicate, and strong soap may damage the bristles by removing natural oils. Keep your water warm, but not hot, as hot water may cause any remaining paint to clot. Oil Colour Brush Care. Stay away from detergent, as this will damage the individual bristles on your brush.