Baking soda gender test

Have any one tried baking soda gender test? If so did it work for u?? I know its just an old wife tale and i did it just for fun today , it shows a boy .. im 18w today and my anatomy scan is in 2 days.. this is my second baby and i want a girl .. lol ..

Update:: baking soda test is correct for me... Had my anatomy scan and its a healthy boy