BioGuard Banish algicide when used directed, is a highly effective, patented, non-staining algicide that kills and controls algae in swimming pools. It is especially recommended for killing and controlling green, blue-green (frequently called black or spot algae) and mustard algae growths. BioGuard Banish algicide can be used as a remedy for visible algae or to prevent algae from occurring. Banish is formulated for use in chlorine or bromine sanitized swimming pools of all surface and filter types.
Dosage for Visible Algae: