Spa Fusion is the ultimate product for regular oxidisation of your hot tub water. Supplied in a convinient 35g sachet, this powerful oxidiser not only destroys bather wastes but also clarifies the water. this give you water that looks great and is comfortable for bathers. Spa Fusion is supplied in a pre-measured sachet this makes application very easy. one 35g sachet is sufficient to treat spas up to 1,500 litres