i have a 29 gallon bio cube 3o pounds of lr and all my pH and all that good stuff is perfect i gust checked it and its dropping spikes but it still looks healthy and it moving a round but i haven't seen it eat for 3 days and there is a lot of algae for him to eat on the rocks and is there aney thing i can give him to eat pleas help not for me think of the sea urchin thanks...:help2::help2::help2::rant2::hypnotized::hypnotized::bling::bling: