OK, made up some betadine recently, and wondered why it looked dark brown . . . thought nothing of it, and have used it no rinse in the sprayer as I would normally do. . . . . Needed to sanitise some 1.5L grolsch bottles, so made some more up . . . thats when the realisation that I had had a brain fart earlier hit me . . . I had used the ratio 1.25ml per liter and then made it up using 12.5ml in 1 L of water . . .

. . . . my excuse is that I normally make it up 10L at a time for sanitising cornii
Now have written on the betadine bottles "1.25ml in EACH litre of water" in indelible pen
