Help on zoa's not opening

[darkreef]

When I got them they were in the same tank with leathers. My leather is only a frag and not by it

[Madreefer]

How old is this tank?
Give us more info on your setup.
You keep doing things the way you are and your always going to have problems. There's lots of people and ifo on here that'll help you get on the right track to a successful tank.
Stop feeding plankton.