I HAVE A 75 GALLON REEF IN MY TANK IHAD A FOXFACE WHO ATE ALL THE ALGA EOFF MY LIVE ROCK WELL HE DIED IN A SMALL LAND SLIDE WHILE I WAS AWAY SO I BOUGT A LAPEZO TANG TO REPLACE HIM AND TAKE CARE OF MY LIVE ROCK. ITS BEEN ABOUT A WEEK AND THE TANG IS STILL DARK BROWN AND MUST BE STRESSED BECAUSE...