Chemical cleaners work effectively and leave no streaks, but they often contain ammonia or other toxic chemicals which are harmful to fish. ATM has developed, and uses, Mirage, the #1 glass and acrylic cleaner guaranteed to do the job while leaving no streaks and repelling dust, water spots, and fingerprints. This new non-toxic cleaner is completely safe around the aquarium and fish. Mirage also leaves a polish that you can see and feel. It’s like HD for your aquarium! – Non-Toxic Formula Cleans And Polishes – Ammonia-Free, Leaves No Streaks – Repels Dust, Water, And Fingerprints – Leaves Polish That You Can See And Feel! – Used By ATM!