Lee,
seems like u wanna keep everything...
seahorses,SPS,
u happen to remember that ur tank is only 1 mth old?
seahorses are picky eaters n much time & $ has to be spent on to get them to start eating in captivity. even so it does not guarantee that they won't die.
SPS - need i say more when u dun even wanna spent on(or cannot afford) testkits?