b'ITEM CODE DESCRIPTION PACK SIZE CTN QTYPMA010 Pool Magic Black Spot Plus Copper Algaecide 50% 1L 12Blackspot TreatmentLong life Copper AlgaecideSuperior blend 50g/L CopperMono Quat carrierFor the control of algae in swimming poolsUsed in all types of pools, however use caution with vinyl & fiberglass pools as Copper plating could occur. A stain remover will be needed to remove the Copper plating. Ideal winter treatment as the Copper remains in the water longer dueto no bather load.Can be used as an algae killer or a preventativeITEM CODE DESCRIPTION PACK SIZE CTN QTYPMA011 Pool Magic Black Spot Plus Copper Algaecide 50% 20L 1Blackspot TreatmentLong life Copper AlgaecideSuperior blend 50g/L CopperMono Quat carrierFor the control of algae in swimming poolsUsed in all types of pools, however use caution with vinyl & fiberglass pools as Copper plating could occur. A stain remover will be needed to remove the Copper plating. Ideal winter treatment as the Copper remains in the water longer dueto no bather load.Can be used as an algae killer or a preventative39'