Yaa Chito removes nitrate but make sure at least 80 Watts of light ( 10 hrs a day) and good water flow for them to thrive long..does a fantatstic job..
I agrre to my friend..this hobby requires a lot of patience and correct equipments and systems to put in place and sustain the hobby..pls do not compromise of some essentail items like skimmers, chillers(if reef tank) bciase they perform the life line system of the tank..