Ebb and flow may refer to: *The movement of

tides Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tabl ...

* Ebb and Flow hydroponics, an agricultural technique *A pair of satellites launched by

GRAIL The Gravity Recovery and Interior Laboratory (GRAIL) was an American lunar science mission in NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure. The two small spacecra ...

*A song on Pink Floyd's album ''

The Endless River ''The Endless River'' is the fifteenth studio album by the English rock band Pink Floyd, released in November 2014 by Parlophone Records in Europe and Columbia Records in the rest of the world. It was the third Pink Floyd album recorded under ...

See also