If I hold for 45-60 mins

If I hold Urine for 45 mins to an hour with only a few sips of juice in between with pretty strong coloured urine then test will it be accurate? I done a test this Am and it has a line! Yay but this afternoon done a test with the above said hold and the urine looked pretty dark so I thought I’d get a good line but it’s basically negative now? Added original and edited pics! Any input would be great I don’t know what to think. I thought my urine from the afternoon hold was darker than this morning. Lines r pink by the way 100% its just crappy pics.

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