Aptaisia removal

[Madreefer]

Originally Posted by Dearth

When I had aiptasia I bought peppermint shrimp and they killed it all within 3 months however peppermints are hit and miss I eventually got 8 and only two would actively eat the aiptasia 1 or 2 would nibble at it and the rest were just there taking up space it’s fortunate they are cheap to buy

Cuz the others were most likely camelbacks which most stores constantly mix up.
To OP.... Lemon juice, vinegar, Joes Juice etc is a losing battle. If possible put said rock in your sump or refugium and just leave alone. I have far too many rocks so lots to choose from. I'll take a hammer and smash off the piece with aptasia and let dry out. You can take a small handheld butane torch and burn off. Or if your tank and inhabitants or experience can handle a butterfly fish try that.