Water Treatment agent -Moss Remover, good quality ,essential for your tank. Water treatment agent - Moss RemoverFeatures:Moss Remover can be used in the freshwater or saltwater aquariums to remove the adhesive algae and phytoplankton, such as brush algae, beard algae, thread algae, brown algae, smear algae, red algae, phytoplanktic green algae and so on. Aquarium products