wrote in message
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My house was built in the 1950's and it has galvanized steel pipe
inside the walls and foundation and the past year i have noticed VERY
BAD AND SLOW draining the worst its ever been and i was wondering what
is the way to go about trying to fix the problem

Iron pipe will eventually corrode and clog. It has to be replaced. There is
no way to clean out the insides of it. A snake may get you some temporary
relief, but it does not fix the real problem.