... :Trichloroisocyanuric Acid TCCA Features:It concentrate disinfectant, algaecide Multi-action TabletChemical: Chemical:Trichloroisocyanuric Acid TCCASpecification:Item IndexAvailable Chlorine 90% ... 0.5%max Features:It concentrate disinfectant, algaecide and flocculant action Size:0.5kg (or 1lb),1kg (or 2lb),2kg ... , Tubes, Drums and etc.25kg or 50lb bags Multi-action Tablet water treatment chemical