ok so a while back my tank became cloudy and it went away but randomly my tank well be cloudy but it always goes away. whats going on any ideas. i also cant seem to get my power heads( a modded mj1200 and a modded 400 ) does any one have any ideas to keep my sand in place i would love to add a deeper sand bed to my disply i love the look of 4 1/2 inch dsb in my fuge