boiling

I mixed some SW to QT an incoming fish but turns out I won't be able to get it until next week. I know I could just let the water sit there until then but I was just about to start a phytoplankton culture soon so I'm curious if I could boil the water (to kill any live contaminants) to use for...

I know a lot of people are against this, but I do not have time to spend with other methods (for personal reasons). I want to add a piece of fuji and pukani rock from BRS to my system, but I obviously need to cure it first. All method but one (according to my research) takes a long time, as...