28
Feb 21
Smudge formed on top of the test strip
Hello.
I tested myself recently, and got a clear control line. However, on the edge above the control line I noticed a smudge like red discoloration having formed.
Is this normal?
testing_times
28
Feb 21
Hello.
I tested myself recently, and got a clear control line. However, on the edge above the control line I noticed a smudge like red discoloration having formed.
Is this normal?
Becky, BioSure UK Ltd
Work on 30th April 2021
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