I've new scales, but don't think they could be off by that much. Anyway, these are salter analyser ones so there are probably more accurate than my tesco value!!!
Sat: 13 8.2 up and away day
Sun: no WI, up day
Mon: 13 11.5 (+3.3) , dd 438
Tues: 13 7.8 (- 3.7)
Wed:
Thurs:
Fri:
Sat:
17 lost : 50 to goal