You don't get rid of them.
I didn't vote as I have tried:
Copper band: Keeps them in check until the copper band dies if you can find one that eats them. My copper band lasted just over a year.
Peppermint shrimps: Tried on several occasions with no noticeable change in population.
Kalk Paste: Keeps them in the rocks for a week or 2 then they return.
Injecting vinegar: No effect – the aptasia laugh at you!
Berghia Nudibranch: Put 4 of them in never to be seen again. No effect on the aptasia.
Boiling water injections: No effect. They shrivel and come back with a vengeance.
So now every week or so I cover them and inject the bigger ones with Kalk. They are still there but are not so noticeable.
Dave
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