An applicator for dispensing materials therethrough when using a water jet device, which includes: a dispensing member comprising a cannular member having an inner cavity therein, having a recess formed therein, where cannular member comprises openings thereover and a cover covering the cannular member such as to enclose the recess to form a space between the cover and the cannular member in which the material is located. This space is configured for containing a material therein to allow dispending the contained material through the plurality of openings into the cavity of the cannular member to enable dispensing allotted portions of the material when a respective water jet is directed towards a respective jet tip of the water jet device. The applicator can be removable from the water jet device to allow replacing or refilling thereof and to allow using the water jet device without the applicator.