b'ITEM CODE DESCRIPTION PACK SIZE CTN QTYPMA003 Pool Magic Algaecide 20% Benzalk Chloride 5L 4Ideal algae preventative200g/L Benzalkonium ChloridePreventative against Green, Blackspot & Mustard algaeEspecially popular with salt chlorinated pools & ionised poolsThe increased detergent action (foaming) assists in releasing the clinging algae crusts from the pool surfaceUse in all types of poolsA favourite for pebblecrete & ageing pool surfacesQuarternary Ammonium base - 20% Benzalkonium ChlorideITEM CODE DESCRIPTION PACK SIZE CTN QTYPMA004 Pool Magic Algaecide 20% Benzalk Chloride 20L 1Ideal algae preventative200g/L Benzalkonium ChloridePreventative against Green, Blackspot & Mustard algaeEspecially popular with salt chlorinated pools & ionised poolsThe increased detergent action (foaming) assists in releasing the clinging algae crusts from the pool surfaceUse in all types of poolsA favourite for pebblecrete & ageing pool surfacesQuarternary Ammonium base - 20% Benzalkonium ChlorideITEM CODE DESCRIPTION PACK SIZE CTN QTYPMA005 Pool Magic Black Spot Remover Granules 1L 6Concentrated granular Algaecide900g/Kg available Chlorine present as Trichloroisocyanuric AcidHighly concentratedNot affected by high levels of ChlorineLow pHSlow dissolvingWill increase stabiliser levels37'