The reason it fizzes is because it mixes with the ammonia in the urine..... Basically the more watered down, less reason for fizz which is why sometimes it won't.... Baby dust to you!!! By 8 weeks an EPT should tell you!
i won't see what you comment unless you tag me lol & you pee in a cup about half way & then put bleach on the other cup then put the bleach on the cup with your pee & if it makes bobbles like a beer you're pregnant & if it doesn't they u knw the answer, hope you are best wishes, 4 of my friends & I tried it & it worked