Be reluctant of my tetras (phantom + jewelry + neon) fed. The crumbs are formed my observations after grossly so the fish to retire after single pair attempts. The food itself is not cloud the water so much, but remains on the surface and thus does not fall! Determines the product is good quality from here. However, I return RETURN TO life feed! I wanted to find an alternative to Lebendfut. Now I know that at the living Daphnia are better eaten than the dried.