Currently, for those who love to fish will often have difficulty seeing the fish pond, clean cut is not a problem because fish do not so easy, it's seen in the research programme. A project to improve the quality of water in the machine, the small pool is part of the higher vocational education. My group has prepared this project because the benefits of this project on the subject of water, with fish, instead of the usual water change with the removal of old water out, then remove the water is used instead.