the water is blue from cabbage maybe not enough wee was added, i dont know if it ever turns red as blue and yellow make purple so i think goes purple no matter what, went purple for me which says girl but my nub on pics show boy, i have 2 boys and i thinkmy next a boy but fella says girl, everyone that says my nub on here is a boys my fellas dad said it could be a foot or toes, all i know is its big wat ever it is lol