Proper temperature and pH balance to care for your aquarium, and "algae eating" with the help of various kinds of fish each, the algae growth gets out of control. But no matter what I do, there was a time when you will clean the tank with hands.That frustrating when you finally get your very own eco-system needs a good balance in your tank, we all fear Some are coming back to, that our fish cleaning.Most critical data loss when we start? Soap, in whatever form, is deadly to fish in small doses. In your tank or bucket or tools do not use soap! I have a tank for a new cube, which I bought made, and that no other purpose in big red letters it "Aquarius." Start by cleaning the inside of glass or aquarium algae scraper pad for use with its tanks marked (often supermarket soap or other chemicals in them can be found.) You an edge to scrape all the residue can use (to scratch an acrylic tank with a plastic device.) hard glass decorations and then you remove any stones or plants that are visibly dirty, such as clean as can be. Only towel rub, rinse with fresh water algae. If something is a completely clean, I a 10% solution of bleach (1 part bleach to 9 parts water), scrub, soak you dry and another chlorine to evaporate into the air need no more than 15 minutes to wash.