API® SAFE & EASY glass cleaner cuts through white, crusty mineral deposits in your aquarium, leaving a protective coating behind to reduce future maintenance. Formula is safe for fish and plants, and may be used on both glass and acrylic aquariums. API SAFE & EASY glass cleaner is designed with an economical trigger spray for easy cleaning. The end result is the pleasing aesthetic of a clean and clear aquarium, and a better underwater world for your fish!