.cs728DB5B{10.5pt;font-weight:normal;color:#464A5F;font-style:normal;Arial;} .cs2F4266B{10.5pt;Arial;color:#0060AF;text-decoration: underline;font-style:normal;font-weight:normal;} .cs5E08BFC{10.5pt;font-weight:normal;color:#464A5F;font-style:normal;margin:0pt 0pt 0pt 0pt;text-align:left;line-height:19.5pt;list-style-type:disc;Arial} .cs3388614{text-align:left;margin:0pt 0pt 10pt 0pt;line-height:1.15;text-indent:0pt} Baracuda Weekly tablets help prevent bacteria and algae from growing in outdoor swimming pools. Each one-litre pack of these pre-measured slow-dissolve chlorine tablets contains 900g/kg available chlorine as trichloroisocyanuric acid, so they are easy to use and deliver the right concentration each week to keep the water clean. Control bacteria and algae in outdoor swimming pools Weekly application Pre-measured slow-dissolve tablets In-built UV protection for longer-lasting chlorine 900g/kg available chlorine is present as trichloroisocyanuric acid