After using water pipes time and time again, the glass will get dirty. When this occurs, customers want to have a formula as exclusive as the ones offered to clean away all of that grungy build-up, cutting though residue effectively and quickly to get sparkling clean results! All of these Pipe Cleaners are here to suit the needs of customers; especially those who demand all natural formulas, these pipe cleaners are indeed the best way to clean water pipes. All of the pipe cleaners are: easy to use, non-toxic, biodegradable and they all clean and deodorize water pipes in seconds! Naturally, these products are to be used for glass, metal, pyrex, and ceramic surfaces only.