polyps, bullseye shroom, leater -- how much space needed?

[copi]

How much space do I need to leave in between each of these corals to prevent them from damaging each other with their tenticles at night?

Thanks!

 

[MT79]

None of those corals produce sweeping stinging tentacles. Just leave enough room so they are not touching each other. Being a bit generous w/ the amount of space in between them would be a good idea-under the right conditions they will all grow pretty quickly. HTH