Im getting a hairy mushroom tomorrow would post some pics but cant find my camera.Its a real big one it cost 65 dollars is this reasnoble for a large hairy mushroom ive got 160 watts of light thats 3 watts per gallon.Im adding purple up to the water is this the only supplement i need.This will be my first coral.I read that you have to feed them.Could i feed it cocktail shrimp from the groeceary store.