DetailsAlgae can still bloom in saltwater pools, despite having a continuous source of chlorination. SaltScapes™ Algae Remover is a highly effective, patented, non-staining pool algicide that kills all types of algae (green, blue-green, and black). Formulated for use in saltwater swimming pools of all surfaces and filter types with results in as little as 24 hours. FOR BEST RESULTS: Use weekly as a preventative product. One bottle treats up to 20,000 gallons of pool water.