Also this is something I posted a few days ago and why I say NLS only
http://www.aquariumadvice.com/forums/f100/nls-thera-a-with-garlic-270619.html
http://www.aquariumadvice.com/forums/f100/nls-thera-a-with-garlic-270619.html
Just dont over feed because they are susceptible to hole in the head which is from over eating