Apparently so but only if it's flat.
It is also good for removing rust and US highway patrols use it to remove blood after car accidents.
It desolves stake in about 24 hours.
It makes a good lo cleaner as well.
I should imagine Pepsi can do the same.
Coke! love it! full fat, not diet! Cant cope if I havent got coca cola. Pepsi max a very poor second, in severe cases when shop has no coke. Lucozade when you're ill. But coke for everyday...