When to use:. Over time water marks & smears can spoil the appearance of your aquarium pond.. Procare glass cleaner is suitable for pond windows, aquariums, and terrariums. It is formulated to remove water marks smears leaving your glass crystal clear.. Safe for use on acrylic and glass.. A refreshing citrus scent.. Free from ammonia.. How to use:. Spray desired amount onto glass, then wipe using the cleaning cloth provided.. For external use only.