Your search for "algaecide" revealed the following:
1Kg Floating Pool Chemical For Above Ground Pools
£12.50Relax 1kg buoy Chlorine, algaecide and clarifier tablets in a pre-filled dispenser Contains multifunctional Trichlor tablets Sanatiser, Algicide and Flocculant...
1Kg Floating Multi Function Pool Small Buoy - All in One Pool Chemicals
£12.501Kg Multifunctional Pool Buoy;Designed for small pools (above or inground) up to 25 cubic metres (18ft diameter pool). Lasts up...
2Kg Relax Big Buoy
£22.95Swimming Pool Chemical Dosing Buoy Relax Large 2Kg Chlorine, clarifier and algicide tablets in a pre-filled "buoy" Contains Champion Branded Multifunctional Trichlor...
6 x Relax 1Kg Floating Buoy
£58.95Box of 6 Relax Floating Buoy's Relax 1kg Buoy Contains multifunctional Trichlor tablets Sanatiser, Algicide and Flocculant Easy to use,...
Extra Large RELAX Winter Chemical Kit For Closing Swimming Pools
£99.00Relax Winter Chemical Kit For Closing Extra Large Swimming Pools For Large Pools Up To 180m3 Relax Concentrated Cleaner Winter...
Kleen Pool Summer / Winter Algicide 1lt
£16.95Kleen Pool Algeacide 1 litre bottle Copper Based Dual action so suitable for summer and winter treatment Prevent algae growth...