Abstract: A wetting vessel (6) designed to contain an element made of absorbent material (8) saturated in its lower part with wetting liquid and including elements (80) for decanting pigments if any contained in the wetting liquid. In accordance with one possible embodiment, the decantation elements are studs (80) whereon is set the absorbent material and the vessel (6) has a lid (7) defining an open wetting compartment for the absorbent wetting material (8) and a drying compartment including a drying absorbent material (9) set on a base forming a sieve. The paint can include a series of paint blocks (4) arranged so as to provide projecting each side by side a paint surface constituting a common dipping surface for a paint brush (4d) of the type having a foam dipping spatula.