You have infront of you a water bottle, Feeding Base , and a spacer ring
To Use water feeder, fill water bottle with water. carefully place the feeding base on the bottle - ensure it is pushed on fully. Place upright. Water will flow through the microchannels using capillary action. This will be impossible to see by the eye.
When using water feeder for larger species, place spacer ring at end of the bottle before filling with water.