to ascertain its orientation in general but merely to ascertain if it is in the desired orientation relative to vertical 111 in order to properly direct the fluid flow at least one and usually a plurality of aligned indicia 124 are arranged on at least a portion of the periphery of the main body 114 particularly including at least some of the at least partially transparent portions of the longitudinal wails 112 by visually aligning at least roughly at least one indicia with the fluid surface level 122 the user can align and maintain the first orientation indicating embodiment 110 in a desired orientation relative to vertical disposed in such a desired orientation relative to vertical the first orientation indicating embodiment 110 is located with the applicator 126 in contact with the nostril so that the fluid flow can be administered in the desired direction to a nasal cavity 128 accordingly in one embodiment described herein is a nasal washing apparatus as demonstrated in fig5 6 with one or more aligned indicia 124 the one or more aligned indicia 124 notifying the user of the proper location for the fluid surface level 122 of the nasal solution housed in the main body 114 of the nasal washing apparatus during application when a user 39 s head is located in a neutral position these one or more aligned indicia 124 offer the user an easy to decipher and apply guide for the orientation of the nasal washing apparatus during application so as to ensure proper application of the nasal washing solution in a person 39 s nasal cavity further in another embodiment described herein as depicted in fig7 is a nasal washing apparatus comprised of a.