In Q-FFF Theory, each black hole will produce and expel water and gas around the Light horizon, by the Penrose so called trapped space horizon.
Astronomers find that two exoplanets may be mostly water around a small red star.
A team led by UdeM astronomers has found evidence that two exoplanets orbiting a red dwarf star are "water worlds,"
see: https://phys.org/news/2022-12-montreal-astronomers-exoplanets.html
We might start finding a lot more water worlds like Kepler-138 c and d," Benneke concluded.