API ALGAE PAD FOR ACRYLIC AQUARIUMS quickly removes unsightly algae from acrylic aquariums. ALGAE PAD uses a durable scrubbing pad with hand-held control to clean nooks and crannies. Not for use on dry surfaces; rinse pad with tap water before and after each use. To avoid breaking or scratching aquarium, do not use extreme pressure on ALGAE PAD. Product contains 1 scrubbing pad for use on acrylic aquariums. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.