SaltScapes Saltwater Pool Care - Algae Remover BioGuard SaltScapes Saltwater Pool Care System - Algae Remover 1 Qt SaltScapes Algae Remover, is a highly effective, patented, non-staining pool algaecide. This product is especially recommended for killing green, blue-green (frequently called black or spot algae) and mustard algae growths. Formulated for use in saltwater swimming pools of all surface and filter types with results in 24 hours or less.