Water should flow up from the bottom, pour out the 7" saucer, into the 6" saucer, into the 4" saucer, and then back into the 14" saucer so that the process can start again. The notches allow for water flow, so if you’re having circulation problems, try making the notches bigger. You may need to stabilize the fountain by gluing these components together, or by lashing them down with twine. [4] X Research source
Sand the hole smooth afterward to remove any glass burrs and rough edges.
