Rubbish.Lovely!! Well its only pig's wee!!
EV Yes I and everyone else knows this. It was said for amusement, thinking everyone on this forum has a sense of humour.Rubbish.
I wounder how/who started that rumor and why ?.
It's about 32% Urea and water.
The Urea being made in a chemical factory and has mainly been used in ferterlizers for many years.
Pigs / Human urine the urea is about 2 to 3%, so not a good idea to 'pee' in your 'Ad-Blue' tank if you run out .
It's useful that I have a scientific background