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Pee colour

Mariana Dias

Junior Guinea Pig
Joined
Oct 15, 2025
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Location
Manchester
Hello everyone, my very healthy looking guinea pigs have just left this we behind in their playpen. They don’t drink, eat or act differently at all and popcorn all the time. Is this colour concerning? They have eaten a little carrot and red bell pepper but usually they just have the green stuff. Thank you!
 

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It looks like oxidised pee to me and not a concern. Pee does change colour with different foods and when subject to the air. Beetroot has caused me a few heart stopping moments until I remember they had it the day before! I am linking a guide on urine for you which should help answer your questions.

Wiebke's Guide to Pees and Stones
 
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