im also learnin.but most soft coral dun really need fedding(CORreact me if im wrong)only some hard coral need.u can feed krill and liquidfood,phytoplankton.depends on how tall ur tank is...erm really ur too vague maybe state wat kind of light u usin and how tall ur tank is,wat kind of coral u talkin about?light hungry coral?anyway enjoy this hobby i love it the most when im cycling it