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question about ketostix

They do tend to go darker the longer you leave them-on my box it says you have to check within 15 seconds.HTH
Hi Angelmouse,

The ketostixs I have say that the reading has be taken after exactly 15 seconds, after that the reading may be false.
Not sure why - that's just what it says!

When did you start, are you on SS?
Thanks for that I have been ss for 4 weeks but had a blip last week when my son was in hospital and i didnt have any bars or tetras.
I will test again in the morning

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