It ' s the citric acid in coke that does the cleaning because it decalcifies . Using just vinegar works way better . <| sep |> I ' m doing a complete renovation in myBathroom . Building back up from stud and concrete floor . Get a gold quality contractor and you ' ll be happy with the job as long as you live there . I don ' t recommend DIY . Even a small job like a condo bathroom involves a lot more than you ' d think . <| sep |> Just remember America is bordered by two nations and the one to the south has a poor immigration policy with their countries to the south , all those countries have criminals with guns Who even if guns were banned in the US like the UK was we would still have criminals with guns Which is what the cop is afraid ofNo cop is afraid of a licensed gun holder , they won ' t commit crimes Their afraid of the criminals who use the black market and in NASA the black market for guns is absolutely huge and will thrive off of a weapons ban