you can definitely see colour in the line when I click on the link Indigo! This is the second month at least this has been happening to you isn't it? How ******* annoying and frustrating. This is just happening to too many people.
Hopefully there is nothing wrong with you, i would prefer false tests to that.
I still reckon FRER have done it on purpose so that people think "maybe" and buy more tests to test the next day!!!