there is many ways to get rid of tem
peppermint shrimp
berguidi nudi
salt paste
joes juice
lemon juice
out of all of these I found that salt paste is the cheapest best way to get rid of them. all it is is a lot of salt mixed with water then blast the aiptismA wit a turkey baster. Make sure that u make enouhg salt paste just to cover it up and dont get it on any corals or those will die to